UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vvk1ckjHWCdwY23Cj4AXcLait9t0pkqfcXDLAHQsmZU=' 
WHERE 
  key_id = 'ef7def7ddb53007803e5f9c28e8bac823421b46868491d2bbf1a65baeff85975' 
  AND (
    token = 'Vvk1ckjHWCdwY23Cj4AXcLait9t0pkqfcXDLAHQsmZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )