UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fxSbcEjNozr8v+BwaRR6hY2jvxITKUnaWVbFWMQNhYU=' 
WHERE 
  key_id = '50de0b368144427fadd67a2f23922d41f7c3638eab945f9e987b14fcfc6d643d' 
  AND (
    token = 'fxSbcEjNozr8v+BwaRR6hY2jvxITKUnaWVbFWMQNhYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )