UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rkj8zQfoFS6NhqO4zj9TiXTV0w7heRk71IdWjn5jUHg=' 
WHERE 
  key_id = 'de7f3187cc7cb5a15bc9845292b64a11df0b1932f95db3ca3c9606b7e564cb95' 
  AND (
    token = 'rkj8zQfoFS6NhqO4zj9TiXTV0w7heRk71IdWjn5jUHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )