UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b5uCjQOhPZKd3i9LbQg768qKo0eXP72TpSz9tZ/ymLk=' 
WHERE 
  key_id = 'd57e61a32a39ae8a27e648068a84cb494a4cb2798884e68881a73c230a46e621' 
  AND (
    token = 'b5uCjQOhPZKd3i9LbQg768qKo0eXP72TpSz9tZ/ymLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )