UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v1v//QxzXMvyTC6T3FJn8zrVzUHWmxEA+nxYP7p96KQ=' 
WHERE 
  key_id = '51b49f5e20fe15def32455e0c38f3b9607ffcacd4a46e337becaedac36a265e2' 
  AND (
    token = 'v1v//QxzXMvyTC6T3FJn8zrVzUHWmxEA+nxYP7p96KQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )