UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c4em6f2QYZQXYDxgL6Z+G6ISOzz0X6LLl6oZEu04/f8=' 
WHERE 
  key_id = '47d97798551b8a056448a4f5c482925280b2a74c79a6979584a561f2a691a8d0' 
  AND (
    token = 'c4em6f2QYZQXYDxgL6Z+G6ISOzz0X6LLl6oZEu04/f8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )