UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3puOaGn8Piw4X96mgh3mmCkWXdgBiPZ71Pjvi8XgS2E=' 
WHERE 
  key_id = '557c84e70b58c6a922e00ff1bbadeb53b67c9c42552b9455870deef105c73d28' 
  AND (
    token = '3puOaGn8Piw4X96mgh3mmCkWXdgBiPZ71Pjvi8XgS2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )