julien.gatt on "mysql featured image category"

Hi, I would like to grab the featured images from the categories and not from all posts.
for now I got this, how can I filter this response to get only a specific category, let's say category id= 5 ?
thanks for any help

SELECT
	p1.*,
	wm2.meta_value
FROM
	wp_posts p1
LEFT JOIN
	wp_postmeta wm1
	ON (
		wm1.post_id = p1.id
		AND wm1.meta_value IS NOT NULL
		AND wm1.meta_key = "_thumbnail_id"
	)
LEFT JOIN
	wp_postmeta wm2
	ON (
		wm1.meta_value = wm2.post_id
		AND wm2.meta_key = "_wp_attached_file"
		AND wm2.meta_value IS NOT NULL
	)
WHERE
	p1.post_status="publish"
	AND p1.post_type="post"
ORDER BY
	p1.post_date DESC