UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VXbGnAykPMJRBNVnUvEkes5L5OdtUwPxc5RL2yB+M5E=' 
WHERE 
  key_id = '4748dd8cf6ec34452688565b97310cbcfc84046a8ccc348de42959c6fcaccf68' 
  AND (
    token = 'VXbGnAykPMJRBNVnUvEkes5L5OdtUwPxc5RL2yB+M5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )