UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fVYb9yKe54nTaVp8hjKwGZSIi8XQWbWsavpnXkCEeCY=' 
WHERE 
  key_id = '82c4e7ff20bb42a91b45326c2a41b64a6b1efe71a74af9c7a1c6d497eb17c6e3' 
  AND (
    token = 'fVYb9yKe54nTaVp8hjKwGZSIi8XQWbWsavpnXkCEeCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )