UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'remye0KvdDLvdKhErMDI4kR5ggr7nQL3rffeTbZZu8A=' 
WHERE 
  key_id = '79c18e71ad5b1ef409ac0091dffc45b67094cd3b72aebd4393959e869f3d287f' 
  AND (
    token = 'remye0KvdDLvdKhErMDI4kR5ggr7nQL3rffeTbZZu8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )