UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxh2y6jaWHm3U81D8NJMEC8acDu1NeZu3gtwTvtKkNo=' 
WHERE 
  key_id = 'b84b463378279a8b41a36ecd9ae0918591c7cb8152f92d51e28656595de8d985' 
  AND (
    token = 'vxh2y6jaWHm3U81D8NJMEC8acDu1NeZu3gtwTvtKkNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )