ACF Date Based wp_query

I’ve been trying to order these exhibitions based on the end_date custom field created with Advanced Custom Fields. I’m not able to properly get this working. I need the most recent dates first. I need to also only get posts with the exhibition_status of ‘past’. For the life of me I can’t get this working and the below code is just the latest non working interation.

$args = array (
'post_type'         => 'exhibitions',
'meta_query'        => array(
    'relation'      => 'OR',
        'query_one'     => array(
            'key'       => 'exhibition_status',
            'value'     => 'past', // Optional
        ),
        'query_two'     => array(
            'key'       => 'end_date',
            'compare'   => '>=',
        ), 
),
'orderby'                => 'end_date',
'order'                  => 'ASC',
'post_status' => 'publish',
'posts_per_page' => 10,
'paged' => get_query_var( 'paged' ),

);

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Author: smack-a-bro