UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ob+eGWDV6aLOBpR7IVd45LjKx12QRbXVXECPlNV300U=' 
WHERE 
  key_id = '64c865c098b981e31a9c48b64fed0e9c7f20361afa2d2edd6a63c0f6b6f0ed81' 
  AND (
    token = 'ob+eGWDV6aLOBpR7IVd45LjKx12QRbXVXECPlNV300U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )