SELECT 
  pf.field_id, 
  pf.field_name, 
  pf.field_type 
FROM 
  cscart_profile_fields AS pf 
WHERE 
  pf.field_type = 'M' 
  AND pf.field_id IN (53, 55, 56)

Query time 0.00084

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "pf",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["field_id"],
      "rows": 3,
      "filtered": 100,
      "index_condition": "pf.field_id in (53,55,56)",
      "attached_condition": "pf.field_type = 'M'"
    }
  }
}