UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8VzOkNitvj3Fgr/0mBLWdzj0htyYp0/g7lpuB9iwUJA=' 
WHERE 
  key_id = '6a2d9192347fc6bc3406e332c0e86838f81d6ac48e36aac16e4ebacb78b56f93' 
  AND (
    token = '8VzOkNitvj3Fgr/0mBLWdzj0htyYp0/g7lpuB9iwUJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )