use Illuminate\Support\Facades\DB;
public function updateChunk(){
DB::table('users')->where('active', false)
    ->chunkById(100, function (＄users) {
        foreach (＄users as ＄user) {
            DB::table('users')
                ->where('id', ＄user->id)
                ->update(['active' => true]);
        }
    });
}