UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6BN6eq1WtvJCl41PmYX7oebSTFuhKcnJ5nW8FfoWblQ=' 
WHERE 
  key_id = '4b6c011c37620b71da6ca73037f4ba1124405f7a25cf9a0d055bdceb21dd3bb2' 
  AND (
    token = '6BN6eq1WtvJCl41PmYX7oebSTFuhKcnJ5nW8FfoWblQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )