UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gJd948sHkFNGgWwwFnXGtP2KSkivXoWdLRM915fc6ME=' 
WHERE 
  key_id = '250dc4998b0da656899d7e60781e2ccb0493b153fc9a4d4b933fba38c70ba307' 
  AND (
    token = 'gJd948sHkFNGgWwwFnXGtP2KSkivXoWdLRM915fc6ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )