UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zGj2c9tIEbeTLYI9SYvXTPxVQpecjrFCHydK7uzUXg0=' 
WHERE 
  key_id = '49981d95991dcb84e523ae5cdb084fbc95ae0d46d6f35a0f4bbd3af76316ea40' 
  AND (
    token = 'zGj2c9tIEbeTLYI9SYvXTPxVQpecjrFCHydK7uzUXg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )