UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VMVPrfXbJCCtUbF8msMqGu1gn7ZqZnGDe0caSuPsQIw=' 
WHERE 
  key_id = '7891175a96725402dcb49d2d5e6ba0ed098075939c48dfba1eadcf414c29a8a9' 
  AND (
    token = 'VMVPrfXbJCCtUbF8msMqGu1gn7ZqZnGDe0caSuPsQIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )