// set last_update to the 'created' date of the last item, and reset push=0
$fields = ['push' => 0, 'next_try' => DBA::NULL_DATETIME, 'last_update' => $last_update];
DBA::update('push_subscriber', $fields, ['id' => $id]);
// set last_update to the 'created' date of the last item, and reset push=0
$fields = ['push' => 0, 'next_try' => DBA::NULL_DATETIME, 'last_update' => $last_update];
DBA::update('push_subscriber', $fields, ['id' => $id]);