UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PB/1jzD7Y0UbEHzlt90l1pB7pYj7mMeH1HyJcIKU8HU=' 
WHERE 
  key_id = '51690d765f38ff37c6ab3411b4ea16ec7759660712a94eb7a5cc2e0c79b0db98' 
  AND (
    token = 'PB/1jzD7Y0UbEHzlt90l1pB7pYj7mMeH1HyJcIKU8HU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )