UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qjcAFKs3t5s2omEqaTthBhpllqouWB6nCgSW0K/adQo=' 
WHERE 
  key_id = 'd427c87245da3ec6b2abdcf061c36f904a29e23513fd1e82b700ee6e9572ec62' 
  AND (
    token = 'qjcAFKs3t5s2omEqaTthBhpllqouWB6nCgSW0K/adQo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )