UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fZOmhXVna1Tqvpqwu/iBUe03j5qw0SkW+1yopvCUxg8=' 
WHERE 
  key_id = '6f3e84ae0147e02bdbaa4bf1d6adbe8a19dcc6b0cbcd04a594056669ccea64a8' 
  AND (
    token = 'fZOmhXVna1Tqvpqwu/iBUe03j5qw0SkW+1yopvCUxg8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )