UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2UWnUJX3VlpG7B2oYY0faBoIjOL4sQblgSThYhPGPNU=' 
WHERE 
  key_id = 'dbc0e50950dfed861e7744707d21c51eaf170b12c6f9f23c7c82b13c834835a0' 
  AND (
    token = '2UWnUJX3VlpG7B2oYY0faBoIjOL4sQblgSThYhPGPNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )