UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FkFtttFNjuLKwZG2LJ4e8YbwFhvg3uFq5AMl+uMTmo0=' 
WHERE 
  key_id = '8356bc08a876416ef8b79a01a4503a948d0ace0cc49df545c86125589aae5bae' 
  AND (
    token = 'FkFtttFNjuLKwZG2LJ4e8YbwFhvg3uFq5AMl+uMTmo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030