INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '399868b5e969913e31b54f5500486784f557858eeb474b4d18b6353358fb26d4', 
    'AHJx4hX0sjWvuzNpK22jtXYTaUpFAY7wounBgNgmBbs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)