UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xh5WkdWMQ69pBDBI7nWrW6iEUcQRYw1MrrzrISTO2EQ=' 
WHERE 
  key_id = '54f20507bd711cc0e98eac35b7c1e0e80268949a3ac8ed475fbe8b1ecafe2f2e' 
  AND (
    token = 'xh5WkdWMQ69pBDBI7nWrW6iEUcQRYw1MrrzrISTO2EQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )