UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3o9FVfOjKTux8hQMJijxaQ5oHZUWmZ15nseYdSiB5YQ=' 
WHERE 
  key_id = '84a51dfaf64a035eca63bf776f042494986f64e568ce4c62a168c98660609f1e' 
  AND (
    token = '3o9FVfOjKTux8hQMJijxaQ5oHZUWmZ15nseYdSiB5YQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )