UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J/1ds7xZTo1ap91LqMRMxklwL0PkbIT51vFw5zU8CY4=' 
WHERE 
  key_id = '4d6490a8b2a07c6a4b2636877515d27e5bcc6693eef79db998e10fa19af433da' 
  AND (
    token = 'J/1ds7xZTo1ap91LqMRMxklwL0PkbIT51vFw5zU8CY4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )