UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ev/dOUHTKKQrRblXYzazfQn0Cx4+IWl6F0rCxWy8AY0=' 
WHERE 
  key_id = '3839959949c36d830991fe82c7c8edcf74d2408b02b992244a72c6a1a2725097' 
  AND (
    token = 'ev/dOUHTKKQrRblXYzazfQn0Cx4+IWl6F0rCxWy8AY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )