UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tw1aB8MaFLtAJ9NL7d+WQLrBoqdHr1FwDJirZZBeB1o=' 
WHERE 
  key_id = '64ef4ae19f66b0c9b37d0d4b3fcbdb4e4f32e2ebc5a36b30748c3b0a2b98b4b8' 
  AND (
    token = 'tw1aB8MaFLtAJ9NL7d+WQLrBoqdHr1FwDJirZZBeB1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )