UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm+JYOk9OIrG2mwYZUWayUyzpXSHB72kBkT2ic+4TfrI=' 
WHERE 
  key_id = 'fcf9d5d8c2c96b1399c6940a2f3df0acabbecfad2d6553dc43dc48bdd49ab353' 
  AND (
    token = 'm+JYOk9OIrG2mwYZUWayUyzpXSHB72kBkT2ic+4TfrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028