UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZB1iLkj7dwX8uvIeUewkLtEYKKq8iUihtWEuH8G4M60=' 
WHERE 
  key_id = 'b6eafbc0b2be840d313f7df9a9605971acba947d29b447f5af39a57a9bb1d34a' 
  AND (
    token = 'ZB1iLkj7dwX8uvIeUewkLtEYKKq8iUihtWEuH8G4M60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )