UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kxmVyNjlnE/3M7VwVduuefOwCggIWT0km3S29TjLa00=' 
WHERE 
  key_id = '521258263859c9800a896982d97cda16578abdf6e56f917190707292f13a1979' 
  AND (
    token = 'kxmVyNjlnE/3M7VwVduuefOwCggIWT0km3S29TjLa00=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )