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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 (
    20877, 20878, 20879, 20880, 20881, 20882, 
    20883, 20884, 20885, 20886, 20887, 
    20888, 20889, 20890, 20891, 20892
  )

Query time 0.00036

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 (20877,20878,20879,20880,20881,20882,20883,20884,20885,20886,20887,20888,20889,20890,20891,20892)"
    }
  }
}

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
20877	91959T1100	P	A	1	1.200	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	46	Y	N	Letter	N	N	unpaid	N
20878	91410T1191	P	A	1	15.000	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
20879	91931T1280	P	A	1	0.400	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
20880	91931T1040	P	A	1	0.400	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	86	Y	N	Letter	N	N	unpaid	N
20881	91931T1120	P	A	1	0.400	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	37	Y	N	Letter	N	N	unpaid	N
20882	91931T1130	P	A	1	0.400	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	45	Y	N	Letter	N	N	unpaid	N
20883	1879001125	P	A	1	0.030	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	12	Y	N	Letter	N	N	unpaid	N
20884	1879004948	P	A	1	0.030	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
20885	1879004949	P	A	1	0.030	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	59	Y	N	Letter	N	N	unpaid	N
20886	1879004950	P	A	1	0.030	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	27	Y	N	Letter	N	N	unpaid	N
20887	1879004951	P	A	1	0.030	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	21	Y	N	Letter	N	N	unpaid	N
20888	1879004952	P	A	1	0.030	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	16	Y	N	Letter	N	N	unpaid	N
20889	919G5T1300	P	A	1	0.800	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	90	Y	N	Letter	N	N	unpaid	N
20890	91541T1890	P	A	1	100.000	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	56	Y	N	Letter	N	N	unpaid	N
20891	919812H050	P	A	1	0.050	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	93	Y	N	Letter	N	N	unpaid	N
20892	91620T1020	P	A	1	6.000	1715937452	1721911507	N	N	N	N	N	N	N	N	Y	14	B	9	N	1.000	27	Y	N	Letter	N	N	unpaid	N