UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qRgaGp9VydOWgPl+N/n27B9HHQezz3lId8G3zSUUV2E=' 
WHERE 
  key_id = 'dd9dba48b78c0145aa1ce704a3d22efd02252805cee2b00779c5b39d56aa0618' 
  AND (
    token = 'qRgaGp9VydOWgPl+N/n27B9HHQezz3lId8G3zSUUV2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )