UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8VXvB/yOefVRVMl6MJ6bZ6veOMW79eoYZzadimJnOlA=' 
WHERE 
  key_id = '21bdae384988a7feec0c2fa80ef63aad48a71caf6d4612df378a4eae241c0fe2' 
  AND (
    token = '8VXvB/yOefVRVMl6MJ6bZ6veOMW79eoYZzadimJnOlA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )