SELECT 
  * 
FROM 
  cscart_products_sd_like 
WHERE 
  user_id = 0 
  AND product_id = 1003 
  AND session_id = ''

Query time 0.00036

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products_sd_like",
          "access_type": "ALL",
          "rows": 95,
          "filtered": 100,
          "attached_condition": "cscart_products_sd_like.user_id = 0 and cscart_products_sd_like.product_id = 1003 and cscart_products_sd_like.session_id = ''"
        }
      }
    ]
  }
}