UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1jpxSAZ+5aviXzt1njhPWtb1ewtjU0s91EjOGJe2jpo=' 
WHERE 
  key_id = '7c68843a9d463e39ecb70c09119e3470906c019141a40f2fb8c4a425d29c0968' 
  AND (
    token = '1jpxSAZ+5aviXzt1njhPWtb1ewtjU0s91EjOGJe2jpo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )