SELECT 
  cscart_products.*, 
  cscart_products.ebay_status, 
  cscart_products.ebay_template_id 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    22047, 22048, 22049, 22050, 22051, 22052, 
    22053, 22054, 22055, 22056, 22057, 
    22058, 22059, 22060, 22061, 22062
  )

Query time 0.00039

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 (22047,22048,22049,22050,22051,22052,22053,22054,22055,22056,22057,22058,22059,22060,22061,22062)"
    }
  }
}