UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oaV8c5gwWRW8/3vAW7KsUPS0B8LC2GL4NclIFKNoCXs=' 
WHERE 
  key_id = '6653854c6b0c364a3d04701f4697cc33d82a35bb8d31312b1c0326cb1518f9c2' 
  AND (
    token = 'oaV8c5gwWRW8/3vAW7KsUPS0B8LC2GL4NclIFKNoCXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )