UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YzxJoEveLhStRH1XQc4vZMqEVP7OkTSvVNUArTF/7uQ=' 
WHERE 
  key_id = '4a264edbd28b8dca9b642151c45632f2f4d3037860c1aebc831677643b25d507' 
  AND (
    token = 'YzxJoEveLhStRH1XQc4vZMqEVP7OkTSvVNUArTF/7uQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )