Ok once again i have found the solution from third party website:
INSERT INTO wp_postmeta (meta_key, meta_value, post_id)
SELECT "_wplp_post_front", 1, post_id
FROM wp_postmeta outside_table
WHERE meta_key = 'qty'
AND meta_value = '0'
AND NOT EXISTS
(SELECT * FROM wp_postmeta
WHERE post_id = outside_table.post_id
AND meta_key = "_wplp_post_front"
AND meta_value = 1
)