UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zYP2Irx9JsigAeBgbFtWKLnYrIRpiMiYgucYfFi2T+k=' 
WHERE 
  key_id = 'e493e5d55b43927ee31bd67579bcd37488137dc7e9a09bf65cd89081a5a430a9' 
  AND (
    token = 'zYP2Irx9JsigAeBgbFtWKLnYrIRpiMiYgucYfFi2T+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )