UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zp4RKUhvJBGWh9bQmWWOyuEVpfh5gFDh2XWoK6RBwyI=' 
WHERE 
  key_id = '6a70cc66f2b3a022df214cbefde3d752da1f6e8c645f51509e2da15b996d61e1' 
  AND (
    token = 'zp4RKUhvJBGWh9bQmWWOyuEVpfh5gFDh2XWoK6RBwyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )