INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c815284f8824ddef0bed6562a74278db0f8420263c089c2bce326f2f14849121', 
    'Pji0dywHCQvC5izrOwmqaa2WmZXx6mh/RSvDlZA2twE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)