UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8W4lbeZj1J5rliEmyAOvpJpOEogjuF1YD3o/XkEFEIU=' 
WHERE 
  key_id = '559a93bb59cda26e3bf502ce398327531e4503eb47e822547c8349dfea0f01fd' 
  AND (
    token = '8W4lbeZj1J5rliEmyAOvpJpOEogjuF1YD3o/XkEFEIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )