MySQL inner join and order by bad performance - performance

Question

I have two tables. products and product_images.
Products: ~ 6 276 445 rows.
ProductImages: ~ 22 888 685 rows.
Table definitions:
products
CREATE TABLE `products` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`unique_id` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL,
`feed_id` bigint(20) unsigned NOT NULL,
`feed_item_id` varchar(100) COLLATE utf8mb4_unicode_ci NOT NULL,
`item_group_id` varchar(100) COLLATE utf8mb4_unicode_ci NOT NULL,
`name` varchar(200) COLLATE utf8mb4_unicode_ci NOT NULL,
`slug` varchar(200) COLLATE utf8mb4_unicode_ci NOT NULL,
`description` text COLLATE utf8mb4_unicode_ci NOT NULL,
`categorytext` text COLLATE utf8mb4_unicode_ci NOT NULL,
`categorytext_hash` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL,
`manufacturer` varchar(100) COLLATE utf8mb4_unicode_ci NOT NULL,
`product_url` text COLLATE utf8mb4_unicode_ci NOT NULL,
`price_vat` float(12,2) DEFAULT NULL,
`price_vat_old` float(12,2) DEFAULT NULL,
`vat` tinyint(4) DEFAULT NULL,
`discount_percentage` tinyint(4) NOT NULL DEFAULT 0,
`image_source_url` text COLLATE utf8mb4_unicode_ci NOT NULL,
`image_filename` varchar(200) COLLATE utf8mb4_unicode_ci NOT NULL,
`gtin` varchar(14) COLLATE utf8mb4_unicode_ci NOT NULL,
`ean` varchar(13) COLLATE utf8mb4_unicode_ci NOT NULL,
`isbn` varchar(13) COLLATE utf8mb4_unicode_ci NOT NULL,
`upc` varchar(12) COLLATE utf8mb4_unicode_ci NOT NULL,
`mpn` varchar(70) COLLATE utf8mb4_unicode_ci NOT NULL,
`missing_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
`created_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
`updated_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
`deleted_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
`project_1` tinyint(4) NOT NULL DEFAULT 0,
`project_2` tinyint(4) NOT NULL DEFAULT 0,
PRIMARY KEY (`id`),
UNIQUE KEY `unique_id_UNIQUE` (`unique_id`),
KEY `feed_id_updated_at` (`feed_id`,`updated_at`),
KEY `feed_id` (`feed_id`),
KEY `feed_id_missing_at` (`feed_id`,`missing_at`),
KEY `feed_id_categorytext_hash_id` (`feed_id`,`categorytext_hash`,`id`),
KEY `categorytext_hash` (`categorytext_hash`),
KEY `missing_at_deleted_at_categorytext_hash_feed_id_id` (`missing_at`,`deleted_at`,`categorytext_hash`,`feed_id`,`id`),
KEY `project_1_id` (`project_1`,`id`),
KEY `project_2_id` (`project_2`,`id`),
KEY `project_1` (`project_1`),
KEY `project_2` (`project_2`),
CONSTRAINT `fk_products_feeds` FOREIGN KEY (`feed_id`) REFERENCES `feeds` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=122268834 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
product_images
CREATE TABLE `product_images` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`product_unique_id` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL,
`unique_id` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL,
`feed_id` bigint(20) unsigned NOT NULL,
`image_source_url` text COLLATE utf8mb4_unicode_ci NOT NULL,
`image_filename` varchar(200) COLLATE utf8mb4_unicode_ci NOT NULL,
`created_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
`updated_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
`deleted_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY (`id`),
UNIQUE KEY `unique_id_UNIQUE` (`unique_id`),
KEY `feed_id_updated_at` (`feed_id`,`updated_at`),
KEY `product_unique_id` (`product_unique_id`),
KEY `product_unique_id_id` (`product_unique_id`,`id`),
CONSTRAINT `fk_product_images_products1` FOREIGN KEY (`product_unique_id`) REFERENCES `products` (`unique_id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=333584333 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
My Query without ORDER BY
SELECT IMG.id
FROM products PR
INNER JOIN product_images IMG on IMG.product_unique_id = PR.unique_id
WHERE
PR.project_1 = 1
-- ORDER BY IMG.id
LIMIT 1000 OFFSET 0
Duration: 0.016 sec
EXPLAIN:
id|select_type|table|type|possible_keys |key |key_len|ref |rows |Extra |
--+-----------+-----+----+---------------------------------------+-----------------+-------+-----------------------------+------+-----------+
1|SIMPLE |PR |ref |unique_id_UNIQUE,project_1_id,project_1|project_1 |1 |const |286960| |
1|SIMPLE |IMG |ref |product_unique_id,product_unique_id_id |product_unique_id|130 |products-storage.PR.unique_id|2 |Using index|
My Query with ORDER BY
SELECT IMG.id
FROM products PR
INNER JOIN product_images IMG on IMG.product_unique_id = PR.unique_id
WHERE
PR.project_1 = 1
ORDER BY IMG.id
LIMIT 1000 OFFSET 0
Duration 17.922 sec
EXPLAIN:
id|select_type|table|type|possible_keys |key |key_len|ref |rows |Extra |
--+-----------+-----+----+---------------------------------------+-----------------+-------+-----------------------------+------+-------------------------------+
1|SIMPLE |PR |ref |unique_id_UNIQUE,project_1_id,project_1|project_1 |1 |const |286960|Using temporary; Using filesort|
1|SIMPLE |IMG |ref |product_unique_id,product_unique_id_id |product_unique_id|130 |products-storage.PR.unique_id|2 |Using index |
Problem
Query with order by is too slow. Is there a way to speed up query with some index or server settings? I need order by for pagination.
The goal is to select all images for project and send them through the api to another server.
I'm using mariadb 10.8.2
Server is on SSD with 8GB RAM