UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0/PSHsm5Y9XxvNoyokkCn8o93mebTYI8pwaIdCDQ/+o=' 
WHERE 
  key_id = '3b9a5249990e1ed46fade84080b800e281a174e612302b064aeadd8a79d10a3b' 
  AND (
    token = '0/PSHsm5Y9XxvNoyokkCn8o93mebTYI8pwaIdCDQ/+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )