SELECT 
  cscart_products_categories.product_id, 
  GROUP_CONCAT(
    IF(
      cscart_products_categories.link_type = "M", 
      CONCAT(
        cscart_products_categories.category_id, 
        "M"
      ), 
      cscart_products_categories.category_id
    )
  ) AS category_ids, 
  product_position_source.position AS position 
FROM 
  cscart_products_categories 
  INNER JOIN cscart_categories ON cscart_categories.category_id = cscart_products_categories.category_id 
  AND cscart_categories.storefront_id IN (0, 1) 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  LEFT JOIN cscart_products_categories AS product_position_source ON cscart_products_categories.product_id = product_position_source.product_id 
  AND product_position_source.category_id = 6 
WHERE 
  cscart_products_categories.product_id IN (
    72204, 70361, 73117, 73112, 71487, 72922, 
    72854, 72853, 72851, 71741, 71202, 
    71175, 71174, 71432, 71152, 71742, 
    71123, 71178, 42032, 71586, 71585, 
    71318, 71549, 71433, 70126, 71459, 
    71014, 70360, 71345, 71344, 71285, 
    71177, 71319, 71290, 71107, 71022, 
    71284, 71277, 71228, 71227
  ) 
GROUP BY 
  cscart_products_categories.product_id