UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '84FajgErI3W4PHjeQ4/GMhxb8iSjwvbVMF1e6gVTIQw=' 
WHERE 
  key_id = '39ecc6138371c81647f5bfb3156aebde311d27a8334dd007588d6d29b83bb6bf' 
  AND (
    token = '84FajgErI3W4PHjeQ4/GMhxb8iSjwvbVMF1e6gVTIQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )