UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+021vxtW/k2mElX19FsLcfcpHPantYtMSwKocV0Q3Ww=' 
WHERE 
  key_id = '91eb70693cb754cb17e31caf634ffc599c9805aae69d172489521fcfa1a2ad0c' 
  AND (
    token = '+021vxtW/k2mElX19FsLcfcpHPantYtMSwKocV0Q3Ww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036