UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6oz1FmAe+xSUxakcvgW7dLvqDcFXjLJr78wExMgxdHY=' 
WHERE 
  key_id = '4a0245df65d187f741cfbb0bc3afbd07fff154ddabf71e32a1991578071a800d' 
  AND (
    token = '6oz1FmAe+xSUxakcvgW7dLvqDcFXjLJr78wExMgxdHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )