как по мне удобнее будет так
->where('column_name' = value) // column_name = value
->where('column_name__lte' = value) // column_name <= value
->where('column_name__gt' = value) // column_name > value ->where('column_name' = value) // column_name = value
->where('column_name__lte' = value) // column_name <= value
->where('column_name__gt' = value) // column_name > value