Hi,
Copy
xstore/woocommerce/cart/cart-empty.php to xstore-child/woocommerce/cart/cart-empty.php,
xstore/woocommerce/cart/cart.php to xstore-child/woocommerce/cart/cart.php,
xstore/woocommerce/loop/no-products-found.php to xstore-child/woocommerce/loop/no-products-found.php and replace Return To Shop with link you need https://developer.wordpress.org/reference/functions/home_url/ .
Regards