UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5vOkC0ZtfZONnanBK/JAxvwNwp6BOmLnNWaGTItf2RQ=' 
WHERE 
  key_id = '5303838cb7889eb462b160d11528926e8e659582b82e7041a769e216c309961a' 
  AND (
    token = '5vOkC0ZtfZONnanBK/JAxvwNwp6BOmLnNWaGTItf2RQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )