UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UiwPFD7g+TMCJ4MG6SV8uLg+Yvmfp+q5SeAkbPdNZ3E=' 
WHERE 
  key_id = '39545d1666ed6d2aade5f7270f98e2656ef7297a185b65a45cd8b62bfcd052f4' 
  AND (
    token = 'UiwPFD7g+TMCJ4MG6SV8uLg+Yvmfp+q5SeAkbPdNZ3E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )