UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7ELFcs6wiP+il6HGGLjQcIWYHtWMK+LITSzsR9Z125s=' 
WHERE 
  key_id = 'a35b4c1e9a27c04fbe344a07e6b0f02dc646b34edf5434c6325da26e1404dceb' 
  AND (
    token = '7ELFcs6wiP+il6HGGLjQcIWYHtWMK+LITSzsR9Z125s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )