$meta_query_args = [
    [
        'key' => 'checkboxes',
        'value' => [ '"facebook"', '"twitter"' ],
        'compare' => 'LIKE',
    ],
];

$args = array(
    'post_type' => 'post' ,
    'meta_key' => $meta_value,
    'orderby' => $sort . ' date',
    'order' => $order_sort,
    'posts_per_page' => 10,
    'cat' => $category,
    'paged' => $paged,
    'meta_query' => $meta_query_args,

);