UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sqn7ydVwHOTD6LjzXhPZd3YzgCzkNiBSiGTXeKuHmf0=' 
WHERE 
  key_id = 'ef6c4439bd12bc9676c6e174b217dfee3e967d3a3a23ae64a482172d5fc32494' 
  AND (
    token = 'Sqn7ydVwHOTD6LjzXhPZd3YzgCzkNiBSiGTXeKuHmf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )