UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PifA64Us3G41yTLvzHIuTg9j+HXWWuPN/gatbeaSIGc=' 
WHERE 
  key_id = '8c6430b2b71f4552827795507ad1e5918b32d7782285f304fb99b6ec44b848ab' 
  AND (
    token = 'PifA64Us3G41yTLvzHIuTg9j+HXWWuPN/gatbeaSIGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )