UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Aj19usIkuzCWul8RBsuQx6WIZ9ny82cAm+y5Q98Lp5c=' 
WHERE 
  key_id = '52e0faea79167fea9b2b506e325a4be974c4a7e513328d515af3af9b70b209af' 
  AND (
    token = 'Aj19usIkuzCWul8RBsuQx6WIZ9ny82cAm+y5Q98Lp5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )