UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '634jAYtWQu6ewW88fKlPrG04bJqZK8msM36hRAmCkf0=' 
WHERE 
  key_id = '5844004bf4eb23bd7e337038d6e6f645f1373db787ac08e58afbc9e41002b9b2' 
  AND (
    token = '634jAYtWQu6ewW88fKlPrG04bJqZK8msM36hRAmCkf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )