INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '968b9b5350fed5621668c33b42cfdd254c3f320ebb0e4d994cd57410152cc2bf', 
    'GdBJIYEBY6W40HnxRsYmrrRw2dJ+xhrzTpfnoKD+klo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)