UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0YCQWq6Xycl1TrLllL1vmCs8bzyn5eHrpMuzA2pwH1I=' 
WHERE 
  key_id = '8da01f791e77a180acfd5518c78ccef09d22b0aa5df25de189a673c9d05fc39b' 
  AND (
    token = '0YCQWq6Xycl1TrLllL1vmCs8bzyn5eHrpMuzA2pwH1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )