Create Conditional IF / ELSE Statement For WordPress Single Post Theme Page

I need this code (which is already in theme) to NOT RUN if post=172: ===================================== <div class="block block-views last even" id="block-views-practice_areas-block_2"> <div class="block-wrapper"> <h2 class="title block-title">Other Topics</h2> <div class="horizontal_rule_fill"></div> <?php $args=array( 'cat' => 7, 'orderby' => rand, 'post_type' => 'post', 'post_status' => 'publish', 'posts_per_page' => 4, 'caller_get_posts'=> 4 ); $my_query = null; $my_query = new WP_Query($args); if( $my_query->have_posts() ) { while ($my_query->have_posts()) : $my_query->the_post(); $feat_image = wp_get_attachment_url( get_post_thumbnail_id($post->ID) ); ?> <div class="last"> <div class="ds-1col node node-practice-area node-teaser view-mode-teaser margin-bottom-30 clearfix"> <a class="practice-area-wrap" href="<?php the_permalink(); ?>"> <div class="field field-name-field-practice-areas-image"> <!--[if IE 9]><video style="display: none;"><![endif]--> <source media="(min-width: 768px)"> <source media="(min-width: 400px)"> <source media="(min-width: 0px)"> <img src="<?= $feat_image; ?>"> </div> <div class="group-info field-group-div"> <h5><? the_title(); ?> </h5> <div class="desc"> <?php echo get_the_excerpt(); ?> </div> </div></a> </div> </div> <?php endwhile; } wp_reset_query(); // Restore global post data stomped by the_post(). ?>