UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8rj2o+dOU81aPYMW2rTgRIfU3hHe0z1nczGRa1xByO8=' 
WHERE 
  key_id = '6a847cca3a32c6b90dec7eb26a6c91c9505dc30cd7a25cbf4f6ed67cc7ef052d' 
  AND (
    token = '8rj2o+dOU81aPYMW2rTgRIfU3hHe0z1nczGRa1xByO8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )