UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a7cjiEVW8fAAIk6rWx74Tfn/4edI38mrCtYj/9ye+MY=' 
WHERE 
  key_id = 'b51b9b8beed9c46e1e8e25fd346929bc44c7b24fc294b5709ffbe8c2f4cce166' 
  AND (
    token = 'a7cjiEVW8fAAIk6rWx74Tfn/4edI38mrCtYj/9ye+MY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )