UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3/exacWj0XUwBOafzFU6prXpq9EqdG0irsqISj9nF84=' 
WHERE 
  key_id = '138fe4cf5d6d0db2a44132fc6caa6b7b602a49b0a94b0ffc2b81411398ab91da' 
  AND (
    token = '3/exacWj0XUwBOafzFU6prXpq9EqdG0irsqISj9nF84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )