UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lz/CygKdEhyue9ntuPl1OToKXnC6JAWY6r298bYe0cU=' 
WHERE 
  key_id = '3b4dd27ec50e024048d92e584aa15aa8b2eda8fa60fd0931b457f7675acfeba5' 
  AND (
    token = 'Lz/CygKdEhyue9ntuPl1OToKXnC6JAWY6r298bYe0cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )