UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R1364FbEm5+/CvcHzR916Ki++i15/qURfTAlKkeJsfw=' 
WHERE 
  key_id = '0c3073eeb51337ea5752306284adc6ec35d381985affe6786eef76218ba6b5af' 
  AND (
    token = 'R1364FbEm5+/CvcHzR916Ki++i15/qURfTAlKkeJsfw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )