UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zk5QPwERL0dnhsHG4CnwkP8MuAL8kqGd04/ufKsbXX0=' 
WHERE 
  key_id = '99f1b5d154ab731b5bee571fd3e20544602a80793c53fe10523b5d5d54d338e8' 
  AND (
    token = 'Zk5QPwERL0dnhsHG4CnwkP8MuAL8kqGd04/ufKsbXX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )