UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sh043Bm41H3ZKx3YXGLTrrgwnnUyPW9rxp8JfuimCuQ=' 
WHERE 
  key_id = 'a48ed6ef518fde169ecacded7c185d253457e4b784bc75e21d30f20cf9cc98b1' 
  AND (
    token = 'sh043Bm41H3ZKx3YXGLTrrgwnnUyPW9rxp8JfuimCuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )