SELECT 
  product_id 
FROM 
  cscart_mb_ali_products 
WHERE 
  product_id IN (
    19453, 19454, 19455, 19456, 19457, 19458, 
    19459, 19460, 19461, 19462, 19463, 
    19464, 19465, 19466, 19467, 19468
  )

Query time 0.00019

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_mb_ali_products",
      "access_type": "range",
      "possible_keys": ["product_id"],
      "key": "product_id",
      "key_length": "4",
      "used_key_parts": ["product_id"],
      "rows": 16,
      "filtered": 100,
      "attached_condition": "cscart_mb_ali_products.product_id in (19453,19454,19455,19456,19457,19458,19459,19460,19461,19462,19463,19464,19465,19466,19467,19468)",
      "using_index": true
    }
  }
}