UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e2DqiMIweuD8ThbOic4vFOGBdd9RpXt8hdqm7Wug0cg=' 
WHERE 
  key_id = 'c755985db0c1d565059e7e84e6daa91db3edcd3ed264f467ab343c8119aac293' 
  AND (
    token = 'e2DqiMIweuD8ThbOic4vFOGBdd9RpXt8hdqm7Wug0cg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )