UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lr3JAurXgmCBPyB5rClPicXiVEtT3laKDOaBMRTjgAw=' 
WHERE 
  key_id = '6a6d62c30f9fa891f8d2680ae48166f4379886a3034c2341a4517734234632df' 
  AND (
    token = 'Lr3JAurXgmCBPyB5rClPicXiVEtT3laKDOaBMRTjgAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )