UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J4/6W+CJWs8PPg84INi7BlIovaM887SsOHcj/92e63E=' 
WHERE 
  key_id = '38641ef3cfc8ff829482417a389b074ce97343d533c2d4a6c3ec825bc35ae3ce' 
  AND (
    token = 'J4/6W+CJWs8PPg84INi7BlIovaM887SsOHcj/92e63E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )