UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Jg2mKrKrVyDXv38h1I47NYVVGUge28/QfXsD1p/snwQ=' 
WHERE 
  key_id = 'fc386dfa8306de3278a7d9e18a5b0f5d4af507e5f3def0ef567bc877703b16a5' 
  AND (
    token = 'Jg2mKrKrVyDXv38h1I47NYVVGUge28/QfXsD1p/snwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034