UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zi7fvbzYqrF39umpdk8TJtI0v0G7QjVUq3/Wu5yeWi4=' 
WHERE 
  key_id = '12b21ef51b690336eef004b6e2595ac13a9c00aa77b889a9105429ae33e7b095' 
  AND (
    token = 'zi7fvbzYqrF39umpdk8TJtI0v0G7QjVUq3/Wu5yeWi4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )