UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K09yq9FLyVbuAumV29jF3jIrkEOUGtAAANaD1UWXtfA=' 
WHERE 
  key_id = '2e136d8661b0604bb383fddf44e9c9f5d5f1396af138b16bf0b5373da41419d2' 
  AND (
    token = 'K09yq9FLyVbuAumV29jF3jIrkEOUGtAAANaD1UWXtfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )