UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6XiBEnN7rvKB1XhEgGdF5UmDVvFFDmCzcZKvqV5PDcI=' 
WHERE 
  key_id = '2fa4990470d95d86e618b93d7a8dd47a7552f82147d86b7679de3d1e94153d49' 
  AND (
    token = '6XiBEnN7rvKB1XhEgGdF5UmDVvFFDmCzcZKvqV5PDcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )