Controllers/AuthController.cs

@@ -184,6 +184,9 @@ namespace qbridge.Controllers
                 var access_token_expires_in = AccessTokenObject["expires_in"].Value<long>();
 
                 //Store the token!!
+                //Remove any prior tokens with same state if exist (this can happen if person reloads the auth page or navigates backwards in it)
+                TOKEN_STORE.Remove(state);
+                //now add it
                 TOKEN_STORE.Add(state, new QBToken() { realmId = realmId, access_token = access_token, refresh_token = refresh_token, TokenBirthday = DateTime.Now });
                 return Redirect("/success");
             }