UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ie71VdXL+yzjAn92O1DPoBzC90tgrzirz/B39nF2BRc=' 
WHERE 
  key_id = '50925b04cff8f10a62fbb7a7e2b3050223c9e4c3634f0e98bb4de1eb39a7d42d' 
  AND (
    token = 'ie71VdXL+yzjAn92O1DPoBzC90tgrzirz/B39nF2BRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )