UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dpoUFhYvP8gw5WsPpl36GBZjIzSbEPo3/jBQMCf94hw=' 
WHERE 
  key_id = '37a446f4a5b7da45d66a5bd1051a58b14044c9acdeb30cc6df540c56dd0897c3' 
  AND (
    token = 'dpoUFhYvP8gw5WsPpl36GBZjIzSbEPo3/jBQMCf94hw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )