UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BqDWbtEkf0dNcRmJTYn6bwfnldebQI1JXxGRjn4eU6A=' 
WHERE 
  key_id = '401adffcb2797f90d92093387fe64bd32b62101a2356a86049425efbd9dafc55' 
  AND (
    token = 'BqDWbtEkf0dNcRmJTYn6bwfnldebQI1JXxGRjn4eU6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )