UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zr2EA21dLoiX2Qu2/Qzzsn0mgRj5M3lUFJfWBAAKipg=' 
WHERE 
  key_id = 'ee1425d3e5e02eedacd7420f0f5db7fe6de59d8b7ab171dea9fd25f0cb85071a' 
  AND (
    token = 'zr2EA21dLoiX2Qu2/Qzzsn0mgRj5M3lUFJfWBAAKipg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )