UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em/dD1joWO5VFFLiOlww6q/K2kX613Cxgk8LRZcb4ts=' 
WHERE 
  key_id = 'e3e25b6af46e1e7fc8fa057911471e16c7b7021b0621410971ca6dd5b6fdbce7' 
  AND (
    token = 'Em/dD1joWO5VFFLiOlww6q/K2kX613Cxgk8LRZcb4ts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033