UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '27H+PYO3rVg6H91/jwiXn9XiDoP0joZtV8sVXRDAUI0=' 
WHERE 
  key_id = '449b3446bb18f1ea4f9252939f14886bca37a86c1898b7fae731b6bbd4142411' 
  AND (
    token = '27H+PYO3rVg6H91/jwiXn9XiDoP0joZtV8sVXRDAUI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )