UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I+A+JVS3hxwal/AnAAvWS7CfOVCMbNmtGhcDcVVI7lM=' 
WHERE 
  key_id = '431c3f10edfcd182385adebe3136be6693e61536e6fc711e68b7d28d47e9c1e9' 
  AND (
    token = 'I+A+JVS3hxwal/AnAAvWS7CfOVCMbNmtGhcDcVVI7lM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )