SELECT 
  * 
FROM 
  kl_ingredients_master 
where 
  ingredient_id = 398

Query time 0.00023

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.00"
    },
    "table": {
      "table_name": "kl_ingredients_master",
      "access_type": "const",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "ingredient_id"
      ],
      "key_length": "3",
      "ref": [
        "const"
      ],
      "rows_examined_per_scan": 1,
      "rows_produced_per_join": 1,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "0.00",
        "eval_cost": "0.10",
        "prefix_cost": "0.00",
        "data_read_per_join": "3K"
      },
      "used_columns": [
        "ingredient_id",
        "ingredient_name",
        "description",
        "ewg_score",
        "ewg_score_min",
        "ewq_data_level",
        "cancer_risk",
        "allergies_immunotoxicity_risk",
        "developmental_reproductive_risk",
        "functions",
        "concerns",
        "other_concerns",
        "synonyms",
        "ecom_variant_ids",
        "creation_timestamp",
        "update_timestamp"
      ]
    }
  }
}