UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TayzaYRGEm/7+LoZ4qqYu5MeORJ4FAb5lcX/JS1dTBQ=' 
WHERE 
  key_id = '50b27ea0865699f8064f7b219d11e7af08c38447ed247679c7c7085f172a3f41' 
  AND (
    token = 'TayzaYRGEm/7+LoZ4qqYu5MeORJ4FAb5lcX/JS1dTBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )