UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/BhghcdDo+ieLEw7NWKITSIgt+nBDLrs5eEgOtBg3yc=' 
WHERE 
  key_id = '2e530c185ee0cd02e2588f3d01eb147d7648a30b5c2265b05643df02fe61c806' 
  AND (
    token = '/BhghcdDo+ieLEw7NWKITSIgt+nBDLrs5eEgOtBg3yc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )