UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xXj+5oB3TqwnOrSP//A1T1s8BM7Gy40iO/hxlIUwvJ0=' 
WHERE 
  key_id = '7972469c16117b8ee9e5985b8fdb8a6c08f86d1dc8ad433b96811e659f8e6326' 
  AND (
    token = 'xXj+5oB3TqwnOrSP//A1T1s8BM7Gy40iO/hxlIUwvJ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )