SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    627, 927, 864, 470, 916, 638, 606, 560, 
    625, 1018, 787, 476, 652, 1128, 884, 
    918, 1122, 1125, 1126, 473, 513, 1094, 
    398, 412, 422, 443, 406, 455, 917, 888, 
    618, 636, 553, 429, 901, 459, 410, 552, 
    551, 842, 1123, 912, 910, 911, 913, 914, 
    915, 967
  )

Query time 0.00171

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": 48,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (627,927,864,470,916,638,606,560,625,1018,787,476,652,1128,884,918,1122,1125,1126,473,513,1094,398,412,422,443,406,455,917,888,618,636,553,429,901,459,410,552,551,842,1123,912,910,911,913,914,915,967)"
    }
  }
}