INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15c9bd99dda890f501a633dbfef58c29131f2f640cc982e03fcd11232c88667b', 
    'kDlEIoAG2in4nBFPWjl2hUn0X8aDwrgCTymwYnXBkME=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)