UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rK1nMr36CgbYZIDV6lItrIPG8diF/qxCeyx1njRbOm0=' 
WHERE 
  key_id = '270597b688b2120d6c427039b66a2c1d295f073727b4e5f21e36030754a2ef2d' 
  AND (
    token = 'rK1nMr36CgbYZIDV6lItrIPG8diF/qxCeyx1njRbOm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )