UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XxSiNNELPoJ8badkLtCFx1bxxPEm2pBBj8WBmEadzNs=' 
WHERE 
  key_id = '3b8043f76a7e96a1a7e0e2bb30f2571704975ac922bf412112f6cce40e393d34' 
  AND (
    token = 'XxSiNNELPoJ8badkLtCFx1bxxPEm2pBBj8WBmEadzNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )