UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UCgxDmQ+reOmWsPLIJEVthbdmlTGao+FoJUms+PclnM=' 
WHERE 
  key_id = '51dc0effbedc659e0eb3a6c5789c1212558723f169f934e809052acc0a947aca' 
  AND (
    token = 'UCgxDmQ+reOmWsPLIJEVthbdmlTGao+FoJUms+PclnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )