grow-meta-1
meta_query = array( 'relation' => 'AND', array( 'key' => 'remove', 'value' => '$date_now', 'compare' => '>=', 'type' => 'DATE', ), array( 'key' => 'remove', 'compare' => 'EXISTS', ), );
meta_query = array( 'relation' => 'AND', array( 'key' => 'remove', 'value' => '$date_now', 'compare' => '>=', 'type' => 'DATE', ), array( 'key' => 'remove', 'compare' => 'EXISTS', ), );