UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g5Myxq3me4mlKX1tzw9Y/sOVF92HtJsglxEIcWYFbEE=' 
WHERE 
  key_id = '39cde7e689d240eb49989527606d7776b719dec2df6a30b896802d3dfd61c211' 
  AND (
    token = 'g5Myxq3me4mlKX1tzw9Y/sOVF92HtJsglxEIcWYFbEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )