UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plXqFcWMo5YX/IFQvouWZK6M/JDVgNtYvup1VmnBwM0=' 
WHERE 
  key_id = 'b4a842b892bcbe119e94615b2dc9c6c1c6d338ebd20ea40377099b9f01e53ee5' 
  AND (
    token = 'plXqFcWMo5YX/IFQvouWZK6M/JDVgNtYvup1VmnBwM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )