UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6ox2POE8GIr6dAeneZH3RCPYQZfD5BK13KQbj77/68=' 
WHERE 
  key_id = 'd446b51b2c37e1bd4e479aae1f430c297881b2e3e67f8ce271fc858a23851718' 
  AND (
    token = 'k6ox2POE8GIr6dAeneZH3RCPYQZfD5BK13KQbj77/68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )