diff --git a/fooder/repository/base.py b/fooder/repository/base.py
index a8a8111..d56d591 100644
--- a/fooder/repository/base.py
+++ b/fooder/repository/base.py
@@ -1,6 +1,11 @@
 from typing import TypeVar, Generic, Type, Any, Sequence
 from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy import select, update as sa_update, delete as sa_delete
+from sqlalchemy import (
+    select,
+    update as sa_update,
+    delete as sa_delete,
+    BinaryExpression,
+)
 from sqlalchemy.sql import Select
 
 T = TypeVar("T")
@@ -11,24 +16,21 @@ class RepositoryBase(Generic[T]):
         self.model = model
         self.session = session
 
-    def _build_select(self, **filters: Any) -> Select[tuple[T]]:
+    def _build_select(self, *expressions: BinaryExpression) -> Select[tuple[T]]:
         stmt = select(self.model)
 
-        for field, value in filters.items():
-            column = getattr(self.model, field, None)
-            if column is None:
-                raise ValueError(f"{self.model.__name__} has no attribute '{field}'")
-            stmt = stmt.where(column == value)
+        if expressions:
+            stmt = stmt.where(*expressions)
 
         return stmt
 
-    async def get(self, **filters: Any) -> T | None:
-        stmt = self._build_select(**filters)
+    async def get(self, *expressions: BinaryExpression) -> T | None:
+        stmt = self._build_select(*expressions)
         result = await self.session.execute(stmt)
         return result.scalar_one_or_none()
 
-    async def list(self, **filters: Any) -> Sequence[T]:
-        stmt = self._build_select(**filters)
+    async def list(self, *expressions: BinaryExpression) -> Sequence[T]:
+        stmt = self._build_select(*expressions)
         result = await self.session.execute(stmt)
         return result.scalars().all()
 
@@ -38,22 +40,10 @@ class RepositoryBase(Generic[T]):
         await self.session.refresh(obj)
         return obj
 
-    async def delete(self, **filters: Any) -> int:
+    async def delete(self, *expressions: BinaryExpression):
         stmt = sa_delete(self.model)
 
-        for field, value in filters.items():
-            column = getattr(self.model, field)
-            stmt = stmt.where(column == value)
+        if expressions:
+            stmt = stmt.where(*expressions)
 
-        result = await self.session.execute(stmt)
-        return result.rowcount if result.rowcount != -1 else 0
-
-    async def update(self, filters: dict[str, Any], values: dict[str, Any]) -> int:
-        stmt = sa_update(self.model)
-
-        for field, value in filters.items():
-            stmt = stmt.where(getattr(self.model, field) == value)
-
-        stmt = stmt.values(**values)
-        result = await self.session.execute(stmt)
-        return result.rowcount if result.rowcount != -1 else 0
+        await self.session.execute(stmt)
diff --git a/fooder/test/repository/test_base.py b/fooder/test/repository/test_base.py
index f1b8d97..5973c36 100644
--- a/fooder/test/repository/test_base.py
+++ b/fooder/test/repository/test_base.py
@@ -1,5 +1,5 @@
 import pytest
-import faker
+from ..fixtures.db import TestModel
 # ------------------------------------------------------------------ create ---
 
 
@@ -14,19 +14,19 @@ async def test_create_returns_object_with_id(test_repo, test_model):
 
 async def test_get_returns_existing_record(test_repo, test_model):
     created = await test_repo.create(test_model)
-    found = await test_repo.get(id=created.id)
+    found = await test_repo.get(TestModel.id == created.id)
     assert found is not None
     assert found.id == created.id
 
 
 async def test_get_returns_none_for_missing_record(test_repo):
-    result = await test_repo.get(id=1)
+    result = await test_repo.get(TestModel.id == 1)
     assert result is None
 
 
 async def test_get_by_field(test_repo, test_model_factory):
     await test_repo.create(test_model_factory(1, "value"))
-    found = await test_repo.get(property="value")
+    found = await test_repo.get(TestModel.property == "value")
     assert found is not None
     assert found.id == 1
 
@@ -45,52 +45,21 @@ async def test_list_returns_all_matching(test_repo, test_model_factory):
 async def test_list_with_filter(test_repo, test_model_factory):
     await test_repo.create(test_model_factory(1, "value"))
     await test_repo.create(test_model_factory(2, "value2"))
-    results = await test_repo.list(property="value")
+    results = await test_repo.list(TestModel.property == "value")
     assert len(results) == 1
     assert results[0].id == 1
 
 
 async def test_list_returns_empty_when_no_match(test_repo, test_model_factory):
     await test_repo.create(test_model_factory(1, "value"))
-    results = await test_repo.list(property="value2")
+    results = await test_repo.list(TestModel.property == "value2")
     assert results == []
 
 
 # ------------------------------------------------------------------ delete ---
 
 
-async def test_delete_removes_record_and_returns_count(test_repo, test_model):
+async def test_delete_removes_record(test_repo, test_model):
     model = await test_repo.create(test_model)
-    count = await test_repo.delete(id=model.id)
-    assert count == 1
-    assert await test_repo.get(id=model.id) is None
-
-
-async def test_delete_returns_zero_when_nothing_matched(test_repo, test_model_factory):
-    count = await test_repo.delete(id=999999)
-    assert count == 0
-
-
-# ------------------------------------------------------------------ update ---
-
-
-async def test_update_modifies_record_and_returns_count(test_repo, test_model):
-    model = await test_repo.create(test_model)
-    count = await test_repo.update({"id": model.id}, {"property": "value2"})
-    assert count == 1
-    refreshed = await test_repo.get(id=model.id)
-    assert refreshed is not None
-    assert refreshed.property == "value2"
-
-
-async def test_update_returns_zero_when_nothing_matched(test_repo, test_model_factory):
-    count = await test_repo.update({"id": 999999}, {"property": "value"})
-    assert count == 0
-
-
-# ------------------------------------------------------- _build_select ------
-
-
-def test_build_select_raises_for_unknown_field(test_repo):
-    with pytest.raises(ValueError, match="has no attribute 'nonexistent'"):
-        test_repo._build_select(nonexistent="value")
+    await test_repo.delete(TestModel.id == model.id)
+    assert await test_repo.get(TestModel.id == model.id) is None
diff --git a/fooder/view/token.py b/fooder/view/token.py
index d6475a0..f5f86af 100644
--- a/fooder/view/token.py
+++ b/fooder/view/token.py
@@ -7,6 +7,7 @@ from fastapi.security import OAuth2PasswordRequestForm
 from ..model.token import RefreshTokenPayload, Token
 from ..context import ContextDependency, Context
 from ..utils.jwt import AccessToken, RefreshToken
+from ..domain import User
 
 router = APIRouter(tags=["token"])
 
@@ -16,7 +17,7 @@ async def create_token(
     data: Annotated[OAuth2PasswordRequestForm, Depends()],
     ctx: Context = Depends(ContextDependency()),
 ):
-    user = await ctx.repo.user.get(username=data.username)
+    user = await ctx.repo.user.get(User.username == data.username)
 
     if user is None or not user.verify_password(data.password):
         raise HTTPException(status_code=401, detail="Unathorized")