retrieve records from laravel model

I have a Laravel application, I have a database table with 780950 registers, so, when I retrieve this with eloquent it takes a long long time and then gives time exceeded error. Is there a way to retrieve for example the first 30 records? I tried with this:

mymodel::all()->take(30)->get();

But is the same. So then, I just put:

mymodel::where('id','<','30')->get();

And it works, but it's not what I want because I want to paginate and display all the records. So, I know that it's a lot of records, but if I can retrieve the first 30 and then with ajax retrieve another 30 more. So what is the best and more elegant way to achieve this in Laravel 5.3?

via Chebli Mohamed