UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3wD+NSQBXNLCrkxrejU7a6hiGJzfOxUx8MR0lbRAfS0=' 
WHERE 
  key_id = '4fbd502e0093385b0ef0efe7ecfd0c9600519c991c55733b48207220e70f4774' 
  AND (
    token = '3wD+NSQBXNLCrkxrejU7a6hiGJzfOxUx8MR0lbRAfS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )