UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8U3CgNHCs+h/HHzXXNT8KpiSV1P9YLHklpxyfotoN88=' 
WHERE 
  key_id = '875a9d21b7f360fcd4ce5d6e1c260d4ef106b4fea14dbe1a57ea51b9d7376349' 
  AND (
    token = '8U3CgNHCs+h/HHzXXNT8KpiSV1P9YLHklpxyfotoN88=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )