UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WQQh/npdCMoOzxfMI2JGg3c8xW2f+atVfFwtU4O7I14=' 
WHERE 
  key_id = '79068f29c6f4ba07e976808b7599926296ebd615eb91134fa56e407ac9621109' 
  AND (
    token = 'WQQh/npdCMoOzxfMI2JGg3c8xW2f+atVfFwtU4O7I14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )