// Assume there are 100 orders, the count will be 100
Order::query()
 ->selectRaw('updated_at as aliased_updated_at')
 ->count();
// Assume there are only 50 with an updated_at value greater than the given date/time,
// the count wil be pulled from the cached result of the above query, giving us 100 instead of 50
Order::query()
 ->selectRaw('updated_at as aliased_updated_at')
 ->having('aliased_updated_at', '>' ,'2021-01-01 00:00:00')
 ->count()