UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CBRLJ0l+c7tkcDsM8aloQjzGPqa/31ykqG8ZqEEU1z0=' 
WHERE 
  key_id = '843ea83a668de0810acf26d33498b01d7d2734e71e9f4549e18b07479d79c493' 
  AND (
    token = 'CBRLJ0l+c7tkcDsM8aloQjzGPqa/31ykqG8ZqEEU1z0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )