UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AQO0kdpkexMuZVxPtwBLZYiXEwSMsc0/ioSy3nIw+bI=' 
WHERE 
  key_id = '6bf8c9d0260ec0feabdd7e340337f742845b6ef4a60d0a70e9b9e0a18f6ed52a' 
  AND (
    token = 'AQO0kdpkexMuZVxPtwBLZYiXEwSMsc0/ioSy3nIw+bI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )