UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UnO94+ShFqIKTZYnQK7XN5XZTKPJR7NA/nvFPPGuLO0=' 
WHERE 
  key_id = 'e21a7c91f7c94d34ba858a10bc4667a55af8e6980746c9042f1fa0871867d51b' 
  AND (
    token = 'UnO94+ShFqIKTZYnQK7XN5XZTKPJR7NA/nvFPPGuLO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )