UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sUUGuLQBsjvzm8pWew0RtAzGgZtYSfQ/ZSea1hr9A4w=' 
WHERE 
  key_id = '797a2c634cfc90a4cd686ce9fe4364d25c4e886a74f59d365d2d68d9c025d6bf' 
  AND (
    token = 'sUUGuLQBsjvzm8pWew0RtAzGgZtYSfQ/ZSea1hr9A4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )