UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QOwO3iOHdj3nSh2QQTIVlqE2yprKixkXy4GWUHQBWq0=' 
WHERE 
  key_id = 'e6ebe71f04d04d74e9f665deedbde821a9b82ab0d01c17e0f31d40ddda6bc197' 
  AND (
    token = 'QOwO3iOHdj3nSh2QQTIVlqE2yprKixkXy4GWUHQBWq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )