UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+m1Ngwx4PE9pDRy5TcJ7LTPavjUoZ/ajxAB+1yXievY=' 
WHERE 
  key_id = 'b87ddbf4b9fa9da7717041372ee78b816eb966ef5e9c5726924d5dca2ed3b120' 
  AND (
    token = '+m1Ngwx4PE9pDRy5TcJ7LTPavjUoZ/ajxAB+1yXievY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022