UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2wrqxuVlPzm/lcXgW7XYLGyzMgbR7eWJmU1DIu3bHOw=' 
WHERE 
  key_id = '856915f67ae356f7c4836ac020017646b221ab7c8b546d7cbeaa5c45603a681e' 
  AND (
    token = '2wrqxuVlPzm/lcXgW7XYLGyzMgbR7eWJmU1DIu3bHOw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )