UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mTFOx71lP4vwnN7hcqdJ05EAaOjeDVas5lIOUYv7MyQ=' 
WHERE 
  key_id = '540c556b6f530a2d14d83737ff1223d9e0a646239383a845bd1561e7a21404af' 
  AND (
    token = 'mTFOx71lP4vwnN7hcqdJ05EAaOjeDVas5lIOUYv7MyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )