UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FCrzYO1sXo2WAvW62OOVk1OGqYoKF3jfbzWMs5U8Ob0=' 
WHERE 
  key_id = '4839427e7e87978cb182e3542916bcc3864e974580dd9fac9e53c737195d156f' 
  AND (
    token = 'FCrzYO1sXo2WAvW62OOVk1OGqYoKF3jfbzWMs5U8Ob0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )