change payment instrument when pending payment paid through credit card
Create Pending Record through online form. (civicrm_contribution: payment_instrument_id : check) then visit contact and make Record payment using credit card (offline mode).
'civicrm_contribution': payment_instrument_id and 'civicrm_financial_trxn': payment_instrument_id value should change to 'Credit Card' from 'Check'
After paying amount and if expand contribution record for details, you will see 'Payment Method' as 'Check (Visa: 1111)'