UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81I6kidF0ufPkMYOnpIGV5CtS0UE/B1BjD6nR9W/tFs=' 
WHERE 
  key_id = '34d0a9c810db79b5981b84370c37e47dad21fabfa4ea9bbc8e5fe2547cef1602' 
  AND (
    token = '81I6kidF0ufPkMYOnpIGV5CtS0UE/B1BjD6nR9W/tFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )