UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gFgRi9o8HZ+0RS++WimdR6+9xZYu297iH13xJMpid+4=' 
WHERE 
  key_id = '49d8a6082537701e50f8e104e9cab6fc9031097e83f73d575d76c5f79b5d1edc' 
  AND (
    token = 'gFgRi9o8HZ+0RS++WimdR6+9xZYu297iH13xJMpid+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )