UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Nd1Q7Qvno/0nJkEvnW0WWsaqrheMCv1oHqfKurza7o=' 
WHERE 
  key_id = '74d7735ad79c1fe6179e97b63cfebdc5602be737d5606c0d8f909b5b1b06620a' 
  AND (
    token = '4Nd1Q7Qvno/0nJkEvnW0WWsaqrheMCv1oHqfKurza7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )