UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TvQqWqUTMWvAu4xNx2WTTGxnKn6lxrOnjyLmZjriKjU=' 
WHERE 
  key_id = '51fdfca2c77703d12eddd45c59c31f6e8093e74b0ed21935b7e563b92537e040' 
  AND (
    token = 'TvQqWqUTMWvAu4xNx2WTTGxnKn6lxrOnjyLmZjriKjU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )