UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WbdZOKxjYvunGVwFgQDDWbQBz2nHYKBrtiBYGNYGkIs=' 
WHERE 
  key_id = '4a6416ac7758064d351e213301d9eb2f83d536958555a7bcdb61a85d220139e0' 
  AND (
    token = 'WbdZOKxjYvunGVwFgQDDWbQBz2nHYKBrtiBYGNYGkIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031