UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fNgiayceYa0U1m7zyaDFZKqHDHKjVFRzWy6rqP9tB+c=' 
WHERE 
  key_id = '48df3a839be8d4d072fa1cf4535aaa352e680421231c5bd2ccaa08031d402c19' 
  AND (
    token = 'fNgiayceYa0U1m7zyaDFZKqHDHKjVFRzWy6rqP9tB+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )