metastock
$meta_query = array( 'relation' => 'AND', array( 'key' => '_stock_status', 'value' => 'outofstock', 'compare' => 'NOT IN', ), );
$meta_query = array( 'relation' => 'AND', array( 'key' => '_stock_status', 'value' => 'outofstock', 'compare' => 'NOT IN', ), );