SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    64853, 60746, 64617, 60736, 65547, 64615, 
    62252, 61336, 64767, 65495, 64766, 
    62253
  )

Query time 0.00054

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": 12,
      "filtered": 100,
      "attached_condition": "cscart_products.product_id in (64853,60746,64617,60736,65547,64615,62252,61336,64767,65495,64766,62253)"
    }
  }
}

Result