UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kt8yCg5XAmN7XznONSQlz6AeWnTKMa6HAf2V0GF3qOM=' 
WHERE 
  key_id = '9c7e2a0210a06910ad94d01592a384cacbb14ee44d93b18d578fb0f606b902e5' 
  AND (
    token = 'Kt8yCg5XAmN7XznONSQlz6AeWnTKMa6HAf2V0GF3qOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )