token validity check

status.php

 function check_token()
 {
   $token = check_table_field("Authorization", "tokens", "token");
-  if ($token === false)
+  $date = new DateTime($token["date"]);
+  $date->add(new DateInterval("P1D"));
+  if ($token === false || $date < new DateTime())
     error(401, "Invalid token");
-  return $token;
+  return $token['token'];
 }
 
 function status_confirm($id)