Apple iPhone 30 W charger and 2mt cable I bought in January 2023 is genuine?

Did you buy it at an Apple Store or an Apple Authorized Reseller? If so, they would be genuine. If not, then there is a possibility you bought "knock-off" products.

Ref:

• Identify counterfeit or uncertified Lightning connector accessories - Apple Support
• About Apple USB power adapters - Apple Support

You may want to check again, here: Encontrar ubicaciones - Apple