UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kf/65iqIUjgJyUgjdPUVbTdokd2veH7sccT7ehYQxdE=' 
WHERE 
  key_id = 'a50917c6f22f092643cf345a4e46d9c2456e032027ecc40f00d0f9bf51273699' 
  AND (
    token = 'Kf/65iqIUjgJyUgjdPUVbTdokd2veH7sccT7ehYQxdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )