UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NxX6MJZJP7rKt50qnqpB5jElffQjHr36hhi8IA4qTeM=' 
WHERE 
  key_id = '6c5f66764cda89af8a68c24b2b80384e1ec80842ddf006abfffea1325b3f449f' 
  AND (
    token = 'NxX6MJZJP7rKt50qnqpB5jElffQjHr36hhi8IA4qTeM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )