UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M7yImhbBscYV24T1paFSZxLYPhsMKe0USd97TT5sb/0=' 
WHERE 
  key_id = '6f9de39e4b5412b9261bcca7ae0808ae409799c6f9e1771885d0e3b8cd9291d6' 
  AND (
    token = 'M7yImhbBscYV24T1paFSZxLYPhsMKe0USd97TT5sb/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )