UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bTZUb1jqSDUozJW9QPghZQOwCqebyVBwIrZn3StRM4w=' 
WHERE 
  key_id = '591e4c16000da22ea13d14c3c4c8274da264d4873befdec0620ea549261a6ab1' 
  AND (
    token = 'bTZUb1jqSDUozJW9QPghZQOwCqebyVBwIrZn3StRM4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )