[WordPress] Repeat a Query/Loop with automatic offset, query caching through transients and cutom post type, no children, order by title

WP_query_repeater.php

<?php
	$i = 0;
	$num = 30;
	$offset = 30;
	$cpt = 'rate-plan';
	$qty = '1,2,3,4,5,6,7,8,9,10,11,12';
	$times = explode(',', $qty);

	foreach($times as $item) {
		$i++;
		$new_offset = ($i*$offset)-30;
		?>
	
		<div class="col-md-1">
			<div class="row">
				<?php
	    			// Check if values are cached, if not cache them
		   		$colnum_transient = 'rp_all'.$i.'_24h';
		   		$colnum_query = 'rp_all'.$i;
		   		//delete_transient('rp_all'.$i.'_24h');
		    		if(get_transient($colnum_transient) === false) {
					$colnum_query = new WP_Query(array(
						'posts_per_page' => $num,
						'offset' => $new_offset,													
						'post_type' => $cpt,
						'post_parent' => 0,
						'orderby' => 'title',
						'order' => 'ASC'
					));
					//Cache Results
					set_transient($colnum_transient, $colnum_query, 24 * HOUR_IN_SECONDS );
				}
				$colnum_query = get_transient($colnum_transient);
			
				if ($colnum_query->have_posts()) : while ( $colnum_query->have_posts() ) : $colnum_query->the_post();
					?>
					<div class="col-md-12">
						<h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
					</div>
					<?php
				endwhile; endif; wp_reset_query(); wp_reset_postdata();
			?>
			</div>
		</div>
	<?php } 
?>