INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6638251f4b268ab861f7c0cef507d3420c8d5d92e5923dd6f4a222d40a0f9ed3', 
    'tc5Z9jqmE6jTWEoa890sO4D9Vt9MTDyCUhswUuGXPOk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)