UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AFq1apFcz+IN55tRI8xZOvH8rG0EHKLrTyKVdNcVfTE=' 
WHERE 
  key_id = '21f0c8b881b26218fecc84448b3d692c61c73dd6ba4c225acc6cefd121ea4c21' 
  AND (
    token = 'AFq1apFcz+IN55tRI8xZOvH8rG0EHKLrTyKVdNcVfTE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )