UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mc9ui85gZgb1oL7w8nv6kpjneRYAAkaWWQW4nOvfvMY=' 
WHERE 
  key_id = 'b6e869050a6f8177d272a471f62256a67571ca740d548c25e264af66f9a9c22f' 
  AND (
    token = 'Mc9ui85gZgb1oL7w8nv6kpjneRYAAkaWWQW4nOvfvMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )