UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MD1DwgpPY5znubybckGdXi3weWeTgecZER6KQU/rq84=' 
WHERE 
  key_id = 'a2366b46b137df429726ed1bd90c7401ed90a76224a5f1433c8a2ccf6c4d6358' 
  AND (
    token = 'MD1DwgpPY5znubybckGdXi3weWeTgecZER6KQU/rq84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )