UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dhnDrxjVN22xYfUoNzRpsSyAwmqMA2FSiDmffvCh/f4=' 
WHERE 
  key_id = '26d25c3b7f68d4843cf26d6b500b408e75b90199d8c6071f52876002acb743b9' 
  AND (
    token = 'dhnDrxjVN22xYfUoNzRpsSyAwmqMA2FSiDmffvCh/f4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )