UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4u7K87t/n8jH8N1a/mp3RV4oIoIRpqNl4KTzoFOXMX4=' 
WHERE 
  key_id = 'b0c113382e20dbe98ba8668bc424aefe27709212488d25851692a65d7756e141' 
  AND (
    token = '4u7K87t/n8jH8N1a/mp3RV4oIoIRpqNl4KTzoFOXMX4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )