SELECT 
  product_id 
FROM 
  cscart_mb_ali_products 
WHERE 
  product_id IN (
    19917, 19918, 19919, 19920, 19921, 19922, 
    19923, 19924, 19925, 19926, 19927, 
    19928, 19929, 19930, 19931, 19932
  )

Query time 0.00014

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 (19917,19918,19919,19920,19921,19922,19923,19924,19925,19926,19927,19928,19929,19930,19931,19932)",
      "using_index": true
    }
  }
}