add check telegram_id and delete old not verefied accounts

app/models/user.py

@@ -22,12 +22,12 @@ class UserInDB(BaseModel):
     is_active: bool = True
     created_at: datetime = datetime.utcnow()
     code: Optional[str] = None
-    telegram_chat_id: Optional[int] = None
     telegram_user_id: Optional[int] = None
     telegram_username: Optional[str] = None
     is_verified: bool = False
     code_expires_at: Optional[datetime] = None
     is_admin: bool = False
+    expires_at: Optional[datetime] = None
 class Session(BaseModel):
     access_token: str
     client_token: str
@@ -37,4 +37,5 @@ class Session(BaseModel):
 class VerifyCode(BaseModel):
     username: str
     code: str
-    telegram_chat_id: int
+    telegram_user_id: int
+    telegram_username: Optional[str] = None