WITH user_info AS (
    SELECT user_id FROM hello_schema.users
    WHERE user_id = uuid($1)
 ),
    balance_info AS (
    UPDATE hello_schema.user_balance
        SET balance = balance + $2
    WHERE user_id = (SELECT user_id FROM user_info) AND ($2 >= 0 OR balance > abs($2))
    RETURNING balance
 )
SELECT (SELECT user_id FROM user_info), (SELECT balance FROM balance_info);