UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U9I8GER9Vvfa7RU1aJWaSNUS1uvgeEFNWx/Mh/hUhQc=' 
WHERE 
  key_id = '636153fde6ed05f7c27607f48ab341ed0c73c1c23e9bbac486a89f81f1c465bf' 
  AND (
    token = 'U9I8GER9Vvfa7RU1aJWaSNUS1uvgeEFNWx/Mh/hUhQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )