INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d19aa7cc1a1948671648dd50cb0bf44b9b69673732f146f1eeb732e372b04e3', 
    '5SMP8BdKNeATeWNFzY78TKYekKADuzsyeL7Ff/a8pOk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)