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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 (
    21197, 21198, 21199, 21200, 21201, 21202, 
    21203, 21204, 21205, 21206, 21207, 
    21208, 21209, 21210, 21211, 21212
  )

Query time 0.00041

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 (21197,21198,21199,21200,21201,21202,21203,21204,21205,21206,21207,21208,21209,21210,21211,21212)"
    }
  }
}

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
21197	878192H000	P	A	1	0.070	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
21198	324302T034	P	A	1	0.100	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	96	Y	N	Letter	N	N	unpaid	N
21199	87810T6CE0	P	A	1	2.500	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
21200	87820T6000	P	A	1	2.500	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	32	Y	N	Letter	N	N	unpaid	N
21201	88550C1000	P	A	1	0.050	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	42	Y	N	Letter	N	N	unpaid	N
21202	888E0T6000	P	A	1	0.400	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	34	Y	N	Letter	N	N	unpaid	N
21203	88590B1100	P	A	1	0.200	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	32	Y	N	Letter	N	N	unpaid	N
21204	888F0T6000DUE	P	A	1	0.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	77	Y	N	Letter	N	N	unpaid	N
21205	888G0T6000DUE	P	A	1	0.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	91	Y	N	Letter	N	N	unpaid	N
21206	888A0T6000DUE	P	A	1	2.000	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
21207	1911707287K	P	A	1	0.100	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
21208	888B0T6000DUE	P	A	1	2.000	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	91	Y	N	Letter	N	N	unpaid	N
21209	88830T6000DUE	P	A	1	1.000	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	94	Y	N	Letter	N	N	unpaid	N
21210	88840T6000DUE	P	A	1	1.000	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	40	Y	N	Letter	N	N	unpaid	N
21211	888773X000DUE	P	A	1	0.200	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	43	Y	N	Letter	N	N	unpaid	N
21212	888781C000DUE	P	A	1	0.200	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	77	Y	N	Letter	N	N	unpaid	N