UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6+V7wDPvl+4Pp3xDknTG2IzWBgYxZfkSKRaFPKgfQXQ=' 
WHERE 
  key_id = '838e37ff146c1e1578e2a02c37a4e292c5a7dc8e38846dfa282dead91b2d4978' 
  AND (
    token = '6+V7wDPvl+4Pp3xDknTG2IzWBgYxZfkSKRaFPKgfQXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )