UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2rcgYU6buS/PSfzxIxl/51xXqV1k9IWUapc0m17fwM=' 
WHERE 
  key_id = '2ef99de425ba341fe9a5a7c710698164984a154c83fe4e6ad6ca25beb10b320f' 
  AND (
    token = 'n2rcgYU6buS/PSfzxIxl/51xXqV1k9IWUapc0m17fwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030