UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Tya2RKaZIpgl5svL5FiLihNcWvTx6eDFchhNI6CYzE=' 
WHERE 
  key_id = '538bf2f261c6064de3b27dbbab4eed81885a6977da982f60ed1ef1777677e8a0' 
  AND (
    token = '8Tya2RKaZIpgl5svL5FiLihNcWvTx6eDFchhNI6CYzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )