UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OxCx1PB0OjzY4MOwIN3GndEmCZn3CktvECsICf0nHuQ=' 
WHERE 
  key_id = '4da5732f75cd55d4e230813ef1d919894537adaf2a084eb1dbb635cd50f22146' 
  AND (
    token = 'OxCx1PB0OjzY4MOwIN3GndEmCZn3CktvECsICf0nHuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )