UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RjkU+T9TW/EReW6OUV+AhC696vjMf1wCDE7DseMeolA=' 
WHERE 
  key_id = '6bbc91326f1eb5dbc809cd782286cb6411891305d1125586b853684c39e5d776' 
  AND (
    token = 'RjkU+T9TW/EReW6OUV+AhC696vjMf1wCDE7DseMeolA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )