UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QtTrSi618LT8HwHykDsWU/H61G8zHWCX3viEenfjs5Q=' 
WHERE 
  key_id = '81efdce8fa4df6591b19673d098e2e2965965ff82bcb93c28a7656176912f658' 
  AND (
    token = 'QtTrSi618LT8HwHykDsWU/H61G8zHWCX3viEenfjs5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )