UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z6LNaXcXHbV34BLgBdxBDvujJM5eWzCYfIkoIsylOOk=' 
WHERE 
  key_id = '8201ba9af299d5c4033251da02920d9a74b6d859d00fafe25a4c7f25614a6d70' 
  AND (
    token = 'z6LNaXcXHbV34BLgBdxBDvujJM5eWzCYfIkoIsylOOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )