UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R+5W7lKujEBO8c1GQAJaWT8Meb6ffCkEH5yt27/TP0s=' 
WHERE 
  key_id = 'f376b38b723989d3fff140830de43d7a0715d147540f5aee16a6f1a87a832a26' 
  AND (
    token = 'R+5W7lKujEBO8c1GQAJaWT8Meb6ffCkEH5yt27/TP0s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )