UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rJUCdXjegeH7AtAbpsRT6ny3O135HOZQAOkTpwgI+bU=' 
WHERE 
  key_id = '15e25797bfc8fd3e58b0c506193bcc708ce777228bfc21520d8481c62ed2fdb3' 
  AND (
    token = 'rJUCdXjegeH7AtAbpsRT6ny3O135HOZQAOkTpwgI+bU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )