UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Btd+mSHCAsb2ggaHUZPi3sqQc8VkESGy2boiWlVAUQ=' 
WHERE 
  key_id = '3c485334ec8dbb33531cfd4c46ba3c8a2c6d84d45f301be9d0f99cea37b246a2' 
  AND (
    token = '6Btd+mSHCAsb2ggaHUZPi3sqQc8VkESGy2boiWlVAUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )