UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N293pNyiJ5aDv8CZSbzqACUJjmA0CWO82iUXU8QShaM=' 
WHERE 
  key_id = '39fd5c478b40d304d0dfce0a9a5c43d5f804c30842527c58377382cfb2f1807b' 
  AND (
    token = 'N293pNyiJ5aDv8CZSbzqACUJjmA0CWO82iUXU8QShaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )