UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h3RChKlCDmzxGkXJ+0j7yyYpLOpQp+PeLE4sRt4sK9s=' 
WHERE 
  key_id = '70257fe6f8d75f80619b839e30832aced97784e94e3cf836d38a1fb8f5d58909' 
  AND (
    token = 'h3RChKlCDmzxGkXJ+0j7yyYpLOpQp+PeLE4sRt4sK9s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00050