INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e3c28c04aafe6614380de3b5ac7c558649183a264ee41faea011366cb12f373c', 
    'lfCFXFdAQyy6C1gNG63PnMCgfumTcMJCtKF//+pEpgY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)