How to use orderby with meta_query?

You have used wrong parameters for meta_query.

It should be –

'meta_query' => array(
    array(
        'key' => 'my_choices', // not meta_key
        'value' => '1', // not meta_value
    )
),

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)