UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xjXu49aktsALJQj45ou2aeua5OmWeSr3orPF6d1Bxg=' 
WHERE 
  key_id = '9f5566711d2f59b2ae87a53b4d085d9444ba6207c12af179e0f39e7915693807' 
  AND (
    token = '6xjXu49aktsALJQj45ou2aeua5OmWeSr3orPF6d1Bxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )