UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6WpHmejexfVpcQtIf4K8E6jMBSKKzvyih8JOHFYujpY=' 
WHERE 
  key_id = '7e7568e4d237e48695ed8586af7ba61814ebec55afd9144e508e9f90194f915d' 
  AND (
    token = '6WpHmejexfVpcQtIf4K8E6jMBSKKzvyih8JOHFYujpY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )