UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C20zYwtncED9fdCHfo5mkF7gHKTbx4p8RpMntrqZ6Ik=' 
WHERE 
  key_id = '553734369cc354d0519ade740fedd457c8e3d8c002c9d0271c87cf9b5cb420c4' 
  AND (
    token = 'C20zYwtncED9fdCHfo5mkF7gHKTbx4p8RpMntrqZ6Ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )