UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5PfFlTNV+VujGSIJ8SsuOCYtc2fFL0LHdVPW5jJGGXM=' 
WHERE 
  key_id = '340e7904a6b08d4163a5795c43557e8876c979f491b7246d931fe0305ff3ed4c' 
  AND (
    token = '5PfFlTNV+VujGSIJ8SsuOCYtc2fFL0LHdVPW5jJGGXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )