UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6/lJPdlFlHNByYoWaKuw+ROq6HQBxOnowsAFi3mx50=' 
WHERE 
  key_id = '206bf5f321fac5d7618d75f7a0036529dbdf2a0f36354b88ed0986acc125c132' 
  AND (
    token = '/6/lJPdlFlHNByYoWaKuw+ROq6HQBxOnowsAFi3mx50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )