UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jcxrvsS8hfIaG4LQQwGJKZs2u7rtiB5YVBwnRWncBcE=' 
WHERE 
  key_id = '3a6c3b37c67f97b1076ebfa654b9fd220fa792916efcaa7e61247c219dde1e84' 
  AND (
    token = 'jcxrvsS8hfIaG4LQQwGJKZs2u7rtiB5YVBwnRWncBcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )