UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YxpimTx4zvtNvRfyOhEz81HJtbySfI+4aYnBwyE7DAs=' 
WHERE 
  key_id = '638ce0725c088682acf740e057b1e31113a7f7b336765c6b77a07df6a9fbe210' 
  AND (
    token = 'YxpimTx4zvtNvRfyOhEz81HJtbySfI+4aYnBwyE7DAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )