INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ec1db2fb6a548e065223481c2b9d46d227706231c29868b891ee2bcef048cb', 
    'nb4HxqS9BqLUILSeHbzb9Nz36y+e9OyfnAXFZUmqpUc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)