UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vhtZ9/1H77yAi/cfeebCIjF79qs0XqfBr6HrZ1x6S/A=' 
WHERE 
  key_id = '39683fb1c6a2e77acdf70136b9e558cfb31977543c8fba052c2c608c39c18021' 
  AND (
    token = 'vhtZ9/1H77yAi/cfeebCIjF79qs0XqfBr6HrZ1x6S/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )