UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lqE+g4lrPNCSbkFxYXmru4G958GdZf2v9Js+2nknO+0=' 
WHERE 
  key_id = '18f8795dbb09e30400c446af59e13afc6ced8c743a5d6147f722b1f7f96d7521' 
  AND (
    token = 'lqE+g4lrPNCSbkFxYXmru4G958GdZf2v9Js+2nknO+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036