SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    61329, 60783, 64693, 61954, 62976, 62177, 
    62660, 62977, 62169, 30013, 61345, 
    30012
  )

Query time 0.00076

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 (61329,60783,64693,61954,62976,62177,62660,62977,62169,30013,61345,30012)"
    }
  }
}

Result