UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GKwazlh1FM6RqtaUgF9z573wYsg2Uj+nRBzao+8fIDo=' 
WHERE 
  key_id = '15b03e0d2d0a48b5a3b3c73b8e66c1f541d0f151ef11ab79e4730e977a69b7f9' 
  AND (
    token = 'GKwazlh1FM6RqtaUgF9z573wYsg2Uj+nRBzao+8fIDo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )