UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8syvNApEyRhk0OLklfZ1ebTiShlcu3fb5DKceufptjY=' 
WHERE 
  key_id = '2af53f1e8b978c60e8db751fbc01809288d561abf78c1342203ac63600f9fb28' 
  AND (
    token = '8syvNApEyRhk0OLklfZ1ebTiShlcu3fb5DKceufptjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )