UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VUehMfot1/a+6zY5pgh5W1oft9HBamKu0yAGCU7rX88=' 
WHERE 
  key_id = '39095ca8bff84f1b64ac991cdaf381dbdd84bd879b2d894bc27913781e4a6df9' 
  AND (
    token = 'VUehMfot1/a+6zY5pgh5W1oft9HBamKu0yAGCU7rX88=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )