UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dc7Q868UhVhBf1fWXRWOjQlR9H53o2PZT5RC7CsOFXA=' 
WHERE 
  key_id = 'b423f91a7c9761bb3302874e092e21c5264dd073a9b26bd13b163cb273634095' 
  AND (
    token = 'Dc7Q868UhVhBf1fWXRWOjQlR9H53o2PZT5RC7CsOFXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )