UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYjc/wwDn/vUHk4LYOHE3T//wf8aRQ8vT2vG3ZAa6KI=' 
WHERE 
  key_id = 'daaedae7ff45e1dc50ed8d5ebe77227927c02dbf5edc055da9de4a8a98e97f54' 
  AND (
    token = 'MYjc/wwDn/vUHk4LYOHE3T//wf8aRQ8vT2vG3ZAa6KI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027