diff --git a/base/exceptions.py b/base/exceptions.py
index 3b4a69f2..cdfaf893 100644
--- a/base/exceptions.py
+++ b/base/exceptions.py
@@ -7,13 +7,13 @@ class BaseHttpException(GraphQLError):
 
 
 class ExpiredToken(BaseHttpException):
-    code = 403
-    message = "403 Expired Token"
+    code = 401
+    message = "401 Expired Token"
 
 
 class InvalidToken(BaseHttpException):
-    code = 403
-    message = "403 Invalid Token"
+    code = 401
+    message = "401 Invalid Token"
 
 
 class Unauthorized(BaseHttpException):
diff --git a/validations/auth.py b/validations/auth.py
index aef1be3e..216d7dcb 100644
--- a/validations/auth.py
+++ b/validations/auth.py
@@ -1,6 +1,4 @@
-from datetime import datetime
 from typing import Optional, Text
-
 from pydantic import BaseModel
 
 
@@ -13,5 +11,7 @@ class AuthInput(BaseModel):
 
 class TokenPayload(BaseModel):
     user_id: int
-    exp: datetime
-    iat: datetime
+    username: Optional[Text]
+    exp: int
+    iat: int
+    iss: Text