UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zj/kmdtDHBXAozujEhtyjBCdkCt0PIRjglC6+1xPO/I=' 
WHERE 
  key_id = '9634812f6df1da7bc657a08370d4b7f25089470af0653b34122cf7035f8b8403' 
  AND (
    token = 'zj/kmdtDHBXAozujEhtyjBCdkCt0PIRjglC6+1xPO/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )