Do not show video after it has awarded points 100 times

add_filter( 'mycred_video_output', 'mycred_limit_video_views', 10, 2 );
function mycred_limit_video_views( $output, $atts ) {

    global $wpdb;

    $mycred = mycred();
    $count = $wpdb->get_var( "SELECT COUNT( * ) FROM {$mycred->log_table} WHERE ref = 'watching_video' AND data = %s;", $atts['id'] );

    $limit = 100;

    if ( $count >= $limit )
        return '';

    return $output;

}