UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zcDqxMGy5FoTl5CHFuDouhCfXME47GrhjbfuRZKCWBI=' 
WHERE 
  key_id = '21be9892352ffd989bc1ec66d8d1a8567e80b78d09d21b9f97e838a5605570d8' 
  AND (
    token = 'zcDqxMGy5FoTl5CHFuDouhCfXME47GrhjbfuRZKCWBI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )