UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K1yUuJgoiKeihGEjkX5tqjJpYDHLUlur4z2s6KLqYiE=' 
WHERE 
  key_id = 'e95b40efcb9bd2f7689f932774802fb7da301ef32d552963832611369fed380e' 
  AND (
    token = 'K1yUuJgoiKeihGEjkX5tqjJpYDHLUlur4z2s6KLqYiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )