UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KFNYI5x0TeNKMAP5p+NDgOYJkDFnjn9lDLgv2TPDF8A=' 
WHERE 
  key_id = 'a81f13241eea68352221eaa084e6e47d65d931f9db22f45b0316307a75209357' 
  AND (
    token = 'KFNYI5x0TeNKMAP5p+NDgOYJkDFnjn9lDLgv2TPDF8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )