UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cit/3CCH6M+kLTydUqWWLnpSdg7PhIHY46VDCmbqY70=' 
WHERE 
  key_id = '16af8b9d3218f9d6f08f9f41479672b9e5d0d713c20e3876b078b06177c1f148' 
  AND (
    token = 'cit/3CCH6M+kLTydUqWWLnpSdg7PhIHY46VDCmbqY70=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )