UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'A0e1vz2wlY6Ck4SxvRBYBPLHT+x9KrNHYCzO89bXT30=' 
WHERE 
  key_id = '8bc5b39139698c83804c3e524a3d26b9de47af49db2e9e507046d2b3d58fd5c9' 
  AND (
    token = 'A0e1vz2wlY6Ck4SxvRBYBPLHT+x9KrNHYCzO89bXT30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )