UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LtrYlYUt/eX9O2hG8pmCWj5R//6Yg2UHp8QRcQdIY6I=' 
WHERE 
  key_id = '18c3c2feaee58fb10223810d182df4df83e674ea5a9f41bd39930b81c9c9634d' 
  AND (
    token = 'LtrYlYUt/eX9O2hG8pmCWj5R//6Yg2UHp8QRcQdIY6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )