UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bkxUr4KDdz6YsPoctS3xKJ9tr+tssVDWFXAyLNqkQWM=' 
WHERE 
  key_id = '9c21ca704069553d623a5ad4caac0f947fa6502c913b979947feb17183a9bfc0' 
  AND (
    token = 'bkxUr4KDdz6YsPoctS3xKJ9tr+tssVDWFXAyLNqkQWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )