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 
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') 
WHERE 
  cscart_products_categories.product_id IN (
    104632, 104631, 104630, 104629, 104628, 
    104627, 104626, 104625, 104624, 104623, 
    104622, 104621, 104620, 104619, 104618, 
    104617, 104616, 104615, 104614, 104613, 
    104612, 104611, 104610, 104609, 104608, 
    104607, 104606, 104605, 104604, 104603
  ) 
GROUP BY 
  cscart_products_categories.product_id