UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f6nqegNElrVGA68pihjq5zxyjZXCtnkur3saekNe6Kk=' 
WHERE 
  key_id = '6cdc9df35c1f63632c1752f600b07783e2e08b12f82265509620736ed8ee457e' 
  AND (
    token = 'f6nqegNElrVGA68pihjq5zxyjZXCtnkur3saekNe6Kk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )