INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6743ee94b2ee876a3de03beea4c9444120bf0ff89cafa363c1376e02b768b594', 
    '2dedtAJN6SEAbABIMmXo5elVV7q19V9NRYmfZngj8Xs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)