UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WJCt1Bp9eeFqG9ZjHx4Y1j0NO/vefcLsqL9okH6w3Lo=' 
WHERE 
  key_id = 'afcf2ae49602f61ebeb64b1c6244ae4b57b145c5c5e83d1e084b9d718b1522b3' 
  AND (
    token = 'WJCt1Bp9eeFqG9ZjHx4Y1j0NO/vefcLsqL9okH6w3Lo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )