UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GxdXqkg/g3zOBsqidV3WD/yvzK+ni19Wk76BHHuqsyg=' 
WHERE 
  key_id = 'e53674242dead9fb96933a2efee841d883d911a88638133b41fc597977b35399' 
  AND (
    token = 'GxdXqkg/g3zOBsqidV3WD/yvzK+ni19Wk76BHHuqsyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034