UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ydx4lykPd8/GFJu3PujWgX3RlhlTv9qVX9OqXwH0ey0=' 
WHERE 
  key_id = '1e3bbe2af0c5e9502d17c3db211b9ce1aa2042819dbb7a6b0371a876a247d38f' 
  AND (
    token = 'ydx4lykPd8/GFJu3PujWgX3RlhlTv9qVX9OqXwH0ey0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038