UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gL6HocazjUlFIf6tslW2VY45ybu5fRWObXjI32OlNwE=' 
WHERE 
  key_id = '48e6a757b37337e085cea11ecec88552013de372e9eea283639f34f1c5f7e8bc' 
  AND (
    token = 'gL6HocazjUlFIf6tslW2VY45ybu5fRWObXjI32OlNwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )