East Date After
$meta_query = array( array( 'key' => 'hide_after', 'value' => 'new Date()', 'compare' => '>', 'type' => 'DATETIME', ), );
$meta_query = array( array( 'key' => 'hide_after', 'value' => 'new Date()', 'compare' => '>', 'type' => 'DATETIME', ), );