UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1ge6M8vQin/AomSW/f1Kbnd/s2NmTPP6tw0mAHpuE/c=' 
WHERE 
  key_id = '6d97c7c1de8d1cfdaba1ea72a227323342aee803e55d6e02172818d9c325d57b' 
  AND (
    token = '1ge6M8vQin/AomSW/f1Kbnd/s2NmTPP6tw0mAHpuE/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )