UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2I9KSRfAwrl979R8ReKJ5EJEbWNXGQaprXMR/1WYcys=' 
WHERE 
  key_id = 'c523c1b095892e657346cbd70b1c63ac0419345441879288c02fe36a062ea932' 
  AND (
    token = '2I9KSRfAwrl979R8ReKJ5EJEbWNXGQaprXMR/1WYcys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )