UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ar+b2HDdYaNoRUQYS92BzRTuAtY45zFJsZmWUIxHlPE=' 
WHERE 
  key_id = 'e50e87d4c15af67f6f1d73f0659563b583fb6b77739f0410dddeecf4e464781c' 
  AND (
    token = 'ar+b2HDdYaNoRUQYS92BzRTuAtY45zFJsZmWUIxHlPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )