UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Re0v+YzSp5jYyKiFj5ZUJ9Dg7Da5nGMETLlkaVl74Y0=' 
WHERE 
  key_id = 'c0557dc4f3c3e0fc343254c6471cd3abcb2866b7ade3d6727d9db249e18a14f5' 
  AND (
    token = 'Re0v+YzSp5jYyKiFj5ZUJ9Dg7Da5nGMETLlkaVl74Y0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )