UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMVahTjpQCFxBKEkUJap2j35SDmYdoGq2jVRT+Dlf28=' 
WHERE 
  key_id = '93b66dbdd54ce449ba070aa285b46b0afef21968fcd47723ca5c954fce8d2ef8' 
  AND (
    token = 'RMVahTjpQCFxBKEkUJap2j35SDmYdoGq2jVRT+Dlf28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )