UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kk3qiwEk8yTlDK7ikx6xJNhWnCGpxZVhaR5Yg6nJfNw=' 
WHERE 
  key_id = 'd0d690c8cd7cb44bc3f59cbeb0274826d3bcbde7a481c3bcaf9c832643f12a51' 
  AND (
    token = 'Kk3qiwEk8yTlDK7ikx6xJNhWnCGpxZVhaR5Yg6nJfNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034