UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RaKy4I/U6HQStbuzf1xoBrgxG7mmVKq5aXwdJBSxvnM=' 
WHERE 
  key_id = '320380792e4867466e3519ce6c4309fc0b13365a2e2344e635d5694b07c54a20' 
  AND (
    token = 'RaKy4I/U6HQStbuzf1xoBrgxG7mmVKq5aXwdJBSxvnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )