UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g8QKAOHyIi/yayDM3SVFqm9U3auFXgfsoOmlotSNhoc=' 
WHERE 
  key_id = '40d80dd71a27ef34869cff40f31305c08f7dde5f66e1c75b79a9b290345a079a' 
  AND (
    token = 'g8QKAOHyIi/yayDM3SVFqm9U3auFXgfsoOmlotSNhoc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031