UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nxFf17mZz0K7Su+xJPZFFLBlPF72b1GJ5pFf0Z5Xg5o=' 
WHERE 
  key_id = '4936cad3b49764391464fd32b38a170b82fa8e461801a4ba49ac914e543b05a6' 
  AND (
    token = 'nxFf17mZz0K7Su+xJPZFFLBlPF72b1GJ5pFf0Z5Xg5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )