UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DUD8cY9OYL8VFwKO5rHfWY8Z0DbV7gaOQkLuIaWWsso=' 
WHERE 
  key_id = 'b76fc5455f136d35f9baa975395cce68b206f04ae25f58f98f3ee7a0ea1a2882' 
  AND (
    token = 'DUD8cY9OYL8VFwKO5rHfWY8Z0DbV7gaOQkLuIaWWsso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )