UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nyYxbF9T8xZf9UksCxwpUqqeKCXZwT/JwMrqUFccJgo=' 
WHERE 
  key_id = '5a20a79e052d43093e82c3508869c1f5d8a020bb7ab12cb60c33cb9e94580d51' 
  AND (
    token = 'nyYxbF9T8xZf9UksCxwpUqqeKCXZwT/JwMrqUFccJgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )