UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MlTf9qkzRnjLYTZNpYgF7T5CH7vb7CBvgTaGwMywObU=' 
WHERE 
  key_id = 'b4e237f5812ff641c78739f53477f76b69b68d8be5daa5063b2cbfac2fe6a656' 
  AND (
    token = 'MlTf9qkzRnjLYTZNpYgF7T5CH7vb7CBvgTaGwMywObU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )