UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3QUOt/cdcuOnx6pBKP0cJNk7koQD4gLlzdx5DnOJkdI=' 
WHERE 
  key_id = '93b6c5bfe15c90fffa5d73babd47edcd3ecd5a343ed53de750345cbc0aa77ae7' 
  AND (
    token = '3QUOt/cdcuOnx6pBKP0cJNk7koQD4gLlzdx5DnOJkdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )