UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sZg4MvekIx5PaUfFh5RCV9FaafV+fMQlm469dVSnejM=' 
WHERE 
  key_id = '818bbf3c1399c858976b68737f2ad4ecad6283e890090cc622584db4cd8ea02e' 
  AND (
    token = 'sZg4MvekIx5PaUfFh5RCV9FaafV+fMQlm469dVSnejM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )