UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b6D4yu6h8xq9D0/LAE6ximTSB0g7i/ADXieWeqfbh1o=' 
WHERE 
  key_id = '78821e7eee4fcc79c6f217cb8939cbe31dda7a81e1b031c0aeb5c76a996be888' 
  AND (
    token = 'b6D4yu6h8xq9D0/LAE6ximTSB0g7i/ADXieWeqfbh1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )