UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jhRSlumGvke6+6mqCR4J1XVNdmO46sCA8xW/GSJZ+0o=' 
WHERE 
  key_id = '18dddda645d5313bbe520766c244c0d9256dc3dd2694de6d242e059fc07c519f' 
  AND (
    token = 'jhRSlumGvke6+6mqCR4J1XVNdmO46sCA8xW/GSJZ+0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )