UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E20ExzfnpNtEs+bNLu+gBoRjLA4VRRUXRAbEmIfeNPM=' 
WHERE 
  key_id = '5ab6972bbdf8ef31da9215b3ac1ff751c6b785140949e136a6b1d96800d5c33f' 
  AND (
    token = 'E20ExzfnpNtEs+bNLu+gBoRjLA4VRRUXRAbEmIfeNPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )