UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aRJwH//cqKm5PBY6MDGeMbQGALa9ziH2kjVKOlmHdc0=' 
WHERE 
  key_id = '81877e216009cf07864f933a6329b7a1f3dc81740551231286d677af0ea41f2b' 
  AND (
    token = 'aRJwH//cqKm5PBY6MDGeMbQGALa9ziH2kjVKOlmHdc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )