UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gtWWpezfrB7jCIosJP59p+Ml3Lx5c9nUiL5scl/Dl+E=' 
WHERE 
  key_id = '39a3793643ace505dfcfe771a45ba2939a64203ce1777b4e404f9880d829f88c' 
  AND (
    token = 'gtWWpezfrB7jCIosJP59p+Ml3Lx5c9nUiL5scl/Dl+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )