UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mHEzwVu3sZd0JrfBeK9W2y6NkEzP6KF9ukMwcjElM/w=' 
WHERE 
  key_id = 'c777d9b3416011b70fbc338b26a8f13d1cdec82fa937ee6c47daaba0f75b49c2' 
  AND (
    token = 'mHEzwVu3sZd0JrfBeK9W2y6NkEzP6KF9ukMwcjElM/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )