UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/x26CAjPfV8MILUA+QJuP0SZZUB/NaKfRCzbL0eQf4U=' 
WHERE 
  key_id = '0a769537690134875b47e48790d736b56d605edede9a088d25cd17a979d1f4a3' 
  AND (
    token = '/x26CAjPfV8MILUA+QJuP0SZZUB/NaKfRCzbL0eQf4U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )