UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGjs37u+/31OH3XUIkm1vLgcJp9v5rjcxqq89cDDgx0=' 
WHERE 
  key_id = '41995995f4a6607e5e2c3621fc480f907cc80201e871c9e38e93b2d471715b67' 
  AND (
    token = 'MGjs37u+/31OH3XUIkm1vLgcJp9v5rjcxqq89cDDgx0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )