UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'saMoLjwpSGYYnIvekv8UuwExIWnN95LfzyJNZUgJI0U=' 
WHERE 
  key_id = '6a79987092befe4ac9acebb5be14abce63ef1eefc0f71d19c89dae37a916f39c' 
  AND (
    token = 'saMoLjwpSGYYnIvekv8UuwExIWnN95LfzyJNZUgJI0U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )