UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xqUAsdACtRdE41A7q8nTSX8nHFchcescGzU6dNHWELs=' 
WHERE 
  key_id = 'd2beb69348b1a4d5d57b21fd5b837e38aa28294796b68e0fbd2350849cc948b1' 
  AND (
    token = 'xqUAsdACtRdE41A7q8nTSX8nHFchcescGzU6dNHWELs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )