UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ip6VSSN59qGNY7J6FkGxn12jmznyHZrPq7TWW7wKZUs=' 
WHERE 
  key_id = '51f42b8d7a6362b55b828653e51aba5302529dede03fc221166dc45d3b67aabe' 
  AND (
    token = 'ip6VSSN59qGNY7J6FkGxn12jmznyHZrPq7TWW7wKZUs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )