UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pUkgorhnG+1taaCCVltpOl4lWZIZt2NlaDVQNIy25rQ=' 
WHERE 
  key_id = 'a2a2823081e42fd3c10402a5d0d54e799949c9c1e9ae493c907c5e4a501536b2' 
  AND (
    token = 'pUkgorhnG+1taaCCVltpOl4lWZIZt2NlaDVQNIy25rQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )