UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgkXnKi6ct80Dz6eI39oLuyuYV1ORe6vkKVSmq63LWY=' 
WHERE 
  key_id = '8c6eb0c75c925cdb05b97339449503bbff3e3918f1ffd139e4a79b6a96244179' 
  AND (
    token = 'MgkXnKi6ct80Dz6eI39oLuyuYV1ORe6vkKVSmq63LWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )