UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkBYtFVd4ID+mQzkw77s933ejRc1mf1cyDVdR76Zk3A=' 
WHERE 
  key_id = '28c231518451eb818bf3bd6f54f572eb36f782c60491bb68980c7e5b9f55668c' 
  AND (
    token = 'nkBYtFVd4ID+mQzkw77s933ejRc1mf1cyDVdR76Zk3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )