UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u+mxlhOTpVJOUqKHwpd80jFft8FWDl/pnbpkQaULpI0=' 
WHERE 
  key_id = '99726b6fe3537f8da2e3e53b37df4a758bdf2587da74f2685336d8a950993a96' 
  AND (
    token = 'u+mxlhOTpVJOUqKHwpd80jFft8FWDl/pnbpkQaULpI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )