UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xKCXjMQEMtc5u0chEBa4Vu6ltLZfo0GniGF85qvNC34=' 
WHERE 
  key_id = '50faf38b7ffad08e9a63e5454ce7fb71c5c05cb3bed95d7ec05c451fcb0ba992' 
  AND (
    token = 'xKCXjMQEMtc5u0chEBa4Vu6ltLZfo0GniGF85qvNC34=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )