UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UZ2AiqVSD8V8wmHiBRGkUn56GfaTf+n8fUspfn23LC0=' 
WHERE 
  key_id = 'e6ce8ef0f34072555da6babf096816692a912b0f0cb862c1de84c59961f422da' 
  AND (
    token = 'UZ2AiqVSD8V8wmHiBRGkUn56GfaTf+n8fUspfn23LC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )