Transient Vs Cron -> Fight!

add_action('init','run_my_query');

function run_my_query() {
  $todays_date = date("Y-m-d");
  if (get_transient("_query_run_".$todays_date))
    return;
    
  set_transient("_query_run_".$todays_date,24 * HOUR_IN_SECONDS);
  global $wpdb;
  $query = "UPDATE wp_2_posts SET menu_order = '9999999' where id in (SELECT DISTINCT tr.object_id FROM wp_2_terms t, wp_2_term_taxonomy tt, wp_2_term_relationships tr WHERE (t.term_id = tt.term_id) AND (tt.term_taxonomy_id = tr.term_taxonomy_id) AND t.term_id = 1440)";
  $wpdb->query($query);
}