UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'guy+FxNLdafQh42X/wR9U8SWBfpsUayKSw63YzLwJpo=' 
WHERE 
  key_id = '6423f8b4f04bcaa78849c1f078f3cda5e319b88e4ba09e67ae99e8d65a611c82' 
  AND (
    token = 'guy+FxNLdafQh42X/wR9U8SWBfpsUayKSw63YzLwJpo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )