Ускорить обращение к базе данных

Сайт Arthata.by написан на Prestashop 1.5
Работал много лет. Вдруг хостер заблокировал сайт из-за повышенной нагрузки на бд.
Ответ хостера:
Сейчас к базе данных выполняется запрос в течение 2386 секунд:

SELECT p.*, product_shop.*, stock.out_of_stock, IFNULL(stock.quantity, 0) as quantity, MAX(product_attribute_shop.id_product_attribute) id_product_attribute, product_attribute_shop.minimal_quantity AS product_attribute_minimal_quantity, pl.`description`, pl.`description_short`, pl.`available_now`, pl.`available_later`, pl.`link_rewrite`, pl.`meta_description`, pl.`meta_keywords`, pl.`meta_title`, pl.`name`, MAX(image_shop.`id_image`) id_image, il.`legend`, m.`name` AS manufacturer_name, cl.`name` AS category_default, DATEDIFF(product_shop.`date_add`, DATE_SUB(NOW(), INTERVAL 7 DAY)) > 0 AS new, product_shop.price AS orderprice FROM `ps_category_product` cp LEFT JOIN `ps_product` p ON p.`id_product` = cp.`id_product` INNER JOIN ps_product_shop product_shop ON (product_shop.id_product = p.id_product AND product_shop.id_shop = 1) LEFT JOIN `ps_product_attribute` pa ON (p.`id_product` = pa.`id_product`) LEFT JOIN ps_product_attribute_shop product_attribute_shop ON (product_attribute_shop.id_product_attribute = pa.id_product_attribute AND product_attribute_shop.id_shop = 1 AND product_attribute_shop.`default_on` = 1) LEFT JOIN ps_stock_available stock ON (stock.id_product = p.id_product AND stock.id_product_attribute = IFNULL(`product_attribute_shop`.id_product_attribute, 0) AND stock.id_shop = 1 ) LEFT JOIN `ps_category_lang` cl ON (product_shop.`id_category_default` = cl.`id_category` AND cl.`id_lang` = 1 AND cl.id_shop = 1 ) LEFT JOIN `ps_product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = 1 AND pl.id_shop = 1 ) LEFT JOIN `ps_image` i ON (i.`id_product` = p.`id_product`) LEFT JOIN ps_image_shop image_shop ON (image_shop.id_image = i.id_image AND image_shop.id_shop = 1 AND image_shop.cover=1) LEFT JOIN `ps_image_lang` il ON (image_shop.`id_image` = il.`id_image` AND il.`id_lang` = 1) LEFT JOIN `ps_manufacturer` m ON m.`id_manufacturer` = p.`id_manufacturer` WHERE product_shop.`id_shop` = 1 AND cp.`id_category` = 118 AND product_shop.`active` = 1 AND product_shop.`visibility` IN ("both", "catalog") GROUP BY product_shop.id_product ORDER BY cp.`position` ASC LIMIT 0,100