SELECT 
  * 
FROM 
  cscart_product_bundles as bundles 
  LEFT JOIN cscart_product_bundle_descriptions as descriptions ON bundles.bundle_id = descriptions.bundle_id 
  AND descriptions.lang_code = 'en' 
  LEFT JOIN cscart_product_bundle_product_links as links ON bundles.bundle_id = links.bundle_id 
WHERE 
  1 = 1 
  AND links.product_id = 135 
  AND links.show_on_product_page = 'Y' 
  AND bundles.status = 'A' 
  AND IF(
    bundles.date_from, bundles.date_from <= 1745549932, 
    1
  ) 
  AND IF(
    bundles.date_to, bundles.date_to >= 1745549932, 
    1
  ) 
GROUP BY 
  bundles.bundle_id 
ORDER BY 
  bundles.bundle_id asc 
LIMIT 
  0, 50

Query time 0.00067

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE links ref PRIMARY,bundle_id PRIMARY 3 const 1 Using where; Using temporary; Using filesort
1 SIMPLE bundles eq_ref PRIMARY PRIMARY 4 cscart_dev_4_16.links.bundle_id 1 Using where
1 SIMPLE descriptions eq_ref PRIMARY PRIMARY 10 cscart_dev_4_16.links.bundle_id,const 1 Using where