UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J66zsucWS0p4ivOjnA8VhAfH1pHLbRsqgOIIIfuxsOU=' 
WHERE 
  key_id = '81dbd6915f4cc00be1f30fced0601b848056444f3e91e6b19ed32561afba0f84' 
  AND (
    token = 'J66zsucWS0p4ivOjnA8VhAfH1pHLbRsqgOIIIfuxsOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )