UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GwGgD+JFcUkeIvEkS544X4UIV0pw01r8VQnxIRBzp1E=' 
WHERE 
  key_id = '93a82da713506cbe29c0f86d9e8c9c6e5abac709f6574984abba3d13345d9733' 
  AND (
    token = 'GwGgD+JFcUkeIvEkS544X4UIV0pw01r8VQnxIRBzp1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )