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SELECT 
  cscart_products.*, 
  cscart_products.ebay_status, 
  cscart_products.ebay_template_id 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    21213, 21214, 21215, 21216, 21217, 21218, 
    21219, 21220, 21221, 21222, 21223, 
    21224, 21225, 21226, 21227, 21228
  )

Query time 0.00042

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 16,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (21213,21214,21215,21216,21217,21218,21219,21220,21221,21222,21223,21224,21225,21226,21227,21228)"
    }
  }
}

Result

product_id	product_code	product_type	status	company_id	weight	timestamp	updated_timestamp	is_edp	edp_shipping	unlimited_download	tracking	free_shipping	is_pbp	is_op	is_oper	is_returnable	return_period	out_of_stock_actions	tax_ids	age_verification	show_price_per_x_units	purchase_qty	social_proof_popup_product_output	is_stock_split_by_warehouses	package_type	ebay_override_price	is_invoice	ei_status	cp_extended_marketing_prohibit_review
21213	88890G3000	P	A	1	0.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	99	Y	N	Letter	N	N	unpaid	N
21214	89870T6000DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	47	Y	N	Letter	N	N	unpaid	N
21215	89880T6000DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	29	Y	N	Letter	N	N	unpaid	N
21216	89850T6000DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	64	Y	N	Letter	N	N	unpaid	N
21217	89830T6200DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	95	Y	N	Letter	N	N	unpaid	N
21218	89840T6200DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	67	Y	N	Letter	N	N	unpaid	N
21219	89860T6100DUE	P	A	1	1.000	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	57	Y	N	Letter	N	N	unpaid	N
21220	89833T6100DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	55	Y	N	Letter	N	N	unpaid	N
21221	89843T6100DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	87	Y	N	Letter	N	N	unpaid	N
21222	89813T6000DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	35	Y	N	Letter	N	N	unpaid	N
21223	89823T6000DUE	P	A	1	1.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	66	Y	N	Letter	N	N	unpaid	N
21224	91105T6742	P	A	1	18.000	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	18	Y	N	Letter	N	N	unpaid	N
21225	91950T6022	P	A	1	2.500	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	3	Y	N	Letter	N	N	unpaid	N
21226	91931T6010	P	A	1	0.400	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	51	Y	N	Letter	N	N	unpaid	N
21227	919G5T6010	P	A	1	0.400	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	65	Y	N	Letter	N	N	unpaid	N
21228	91961T6010	P	A	1	1.500	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	9	Y	N	Letter	N	N	unpaid	N