UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I8/PTJMCWK4fCBvX41GseFTfLEVgTW0f+27nVh8efqQ=' 
WHERE 
  key_id = '837e55d7c1f9280a1752a8ab751752de0c26d5b16b3ae54aeb596ca4a8752424' 
  AND (
    token = 'I8/PTJMCWK4fCBvX41GseFTfLEVgTW0f+27nVh8efqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )