    function _baseLoanChecks(uint256 _loanId, Loan memory _loan) private view {
        if (_loan.hash() != _loans[_loanId]) {
            revert InvalidLoanError(_loanId);
        }
@>      if (_loan.startTime + _loan.duration < block.timestamp) {
            revert LoanExpiredError();
        }
    }
    function _liquidateLoan(uint256 _loanId, IMultiSourceLoan.Loan calldata _loan, bool _canClaim)
        internal
        returns (bool liquidated, bytes memory liquidation)
    {
...

        uint256 expirationTime = _loan.startTime + _loan.duration;
@>      if (expirationTime > block.timestamp) {
            revert LoanNotDueError(expirationTime);
        }
    function _baseLoanChecks(uint256 _loanId, Loan memory _loan) private view {
        if (_loan.hash() != _loans[_loanId]) {
            revert InvalidLoanError(_loanId);
        }
-       if (_loan.startTime + _loan.duration < block.timestamp) {
+      if (_loan.startTime + _loan.duration <= block.timestamp) {
            revert LoanExpiredError();
        }
    }
