UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QkvIAFL7r2CUWUDJrgtwejgzhInxH2R7TBuJBWAaUT0=' 
WHERE 
  key_id = '634b492af42e17308f78b24a36182b9278148597f7fc8fb025774bec2da61663' 
  AND (
    token = 'QkvIAFL7r2CUWUDJrgtwejgzhInxH2R7TBuJBWAaUT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )