INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '18a03d35b1f731082da7f31e873fb96eb3864f5c0b73daf0bb0f171340ed48d6', 
    'Tx9ud/EeHJscgnmLbcRIu8Q4tDyA//iCi7msEgntIfg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)