UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4xBg+EMMwMujyCek0BkIiDkmytyz9iDUqvGP2weXHM=' 
WHERE 
  key_id = '9e399cc2da5c6d8496fde5b55816ba5b87dfef21681cc45d17439761046a4206' 
  AND (
    token = 'U4xBg+EMMwMujyCek0BkIiDkmytyz9iDUqvGP2weXHM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )