SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  descr1.product as product, 
  products.product_type, 
  products.parent_product_id 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
WHERE 
  1 
  AND prices.usergroup_id IN (0) 
  AND (
    (
      1 
      AND products.product_id IN (2011)
    ) 
    AND prices.usergroup_id IN (0)
  ) 
GROUP BY 
  products.product_id 
ORDER BY 
  NULL asc