ИЛ
Дмитрий
Datas::where([["send", "<", Carbon::now()->format("Y-m-d H:i:s")], ["issend", 0]])->chunk(100, function ($datas) {
echo count($datas);
echo "<br>";
foreach ($datas as $data) {
$data->issend = true;
}
$datas->save();
});Data::where('send', '<', Carbon::now())->where('issend', false)->update(['issend' => true])