UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xkWwWl0SWKOochwJdR+ZHI0PIK7RGfP3El08ez8sMm0=' 
WHERE 
  key_id = 'f81ffe5043efa6210992b92149912c0f6f7e810f691b07b91a46e05aa0a6e52b' 
  AND (
    token = 'xkWwWl0SWKOochwJdR+ZHI0PIK7RGfP3El08ez8sMm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )