UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b38mYwn+w+ZiFOY/Km+osS9MkNfK4XMdDP7JMJlJBzc=' 
WHERE 
  key_id = '847b64dc8889f7490fe4d4d5e9fb187fddbca2ee4ae3f5b963050377bf917244' 
  AND (
    token = 'b38mYwn+w+ZiFOY/Km+osS9MkNfK4XMdDP7JMJlJBzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )