UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bzTHbmaPXrlFTKU6kwIqHOuTlibYLno2nV9kBLPZdfk=' 
WHERE 
  key_id = '38701d4ed8b285a86eee747c0419082d5e1984a4f9c21a2fa8f99052dc1971ac' 
  AND (
    token = 'bzTHbmaPXrlFTKU6kwIqHOuTlibYLno2nV9kBLPZdfk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )