diff --git a/data/model/oauth.py b/data/model/oauth.py
index f0076fb42..b99a9cb58 100644
--- a/data/model/oauth.py
+++ b/data/model/oauth.py
@@ -21,6 +21,12 @@ class DatabaseAuthorizationProvider(AuthorizationProvider):
   def _generate_data_string(self):
     return json.dumps({'username': self.get_authorized_user().username})
 
+  @property
+  def token_expires_in(self):
+    """Property method to get the token expiration time in seconds.
+    """
+    return int(60*60*24*365.25*10)  # 10 Years
+
   def validate_client_id(self, client_id):
     return self.get_application_for_client_id(client_id) is not None