UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elt+xUJ8ZhSDH64pSTkWGJ7xahfHio/ASX6LauoNJVw=' 
WHERE 
  key_id = 'e94d1882f700abe5384124464ea4f6c8445cd68c2b17b7f305ecaefbc609e9e8' 
  AND (
    token = 'elt+xUJ8ZhSDH64pSTkWGJ7xahfHio/ASX6LauoNJVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )