UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K8xcNMsD1APAmahg4lij0Pj6ahRCsI21WLKq2wRFOPk=' 
WHERE 
  key_id = '52b45833d16749a981e889eca51cc1622b6757eaf6e23201643a7d9a7af2c581' 
  AND (
    token = 'K8xcNMsD1APAmahg4lij0Pj6ahRCsI21WLKq2wRFOPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )