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 (
    62636, 62635, 62634, 62633, 62632, 62631, 
    62630, 62629, 62628, 62627, 62626, 
    62625, 62611, 62609, 62607, 62569, 
    62456, 61887, 60269, 62370, 62342, 
    62098, 62097, 61770, 61769, 61704, 
    60784, 60268, 62217, 61403, 61442, 
    62055, 61886, 61768, 60787, 60267, 
    62105, 61512, 62019, 61960
  ) 
GROUP BY 
  cscart_products_categories.product_id