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.company_id = 3 
  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 = 961 
WHERE 
  cscart_products_categories.product_id IN (
    430, 9470, 10705, 9457, 8862, 8860, 11485, 
    8861, 10945, 8864, 10188, 10353, 8875, 
    8869, 10355, 10222, 8870, 8868, 1655, 
    516, 10078, 8863, 388, 395, 8873, 10163, 
    10212, 523, 517, 8871, 10210, 9821, 
    8877, 9823, 10206, 9871, 396, 9825, 
    10164, 10165, 10183, 10181, 10961, 
    1646
  ) 
GROUP BY 
  cscart_products_categories.product_id