UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QYxi5xcNTZtfXRsECKFqntLn66gBeR0kP9v1nbd/gw4=' 
WHERE 
  key_id = 'a8476c61ba332ea14910d6157046e3e317e1670a15a6d6d79069eee614ed4954' 
  AND (
    token = 'QYxi5xcNTZtfXRsECKFqntLn66gBeR0kP9v1nbd/gw4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )