UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't+7WCc0CGAOx9McG2J9i30VNYtpt8OBMj/u1aeRGHRQ=' 
WHERE 
  key_id = '9623240fac8ec686e3b7a7007026620fbce2f487a029c2845f31824805c0e642' 
  AND (
    token = 't+7WCc0CGAOx9McG2J9i30VNYtpt8OBMj/u1aeRGHRQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )