UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BfxaxphzxiHP6zyyAiLw4TgdOxyBaIK9K4RLUJrU4Pk=' 
WHERE 
  key_id = '81c1ec89a4ed767c44d9d8e393795dd7946e752ff67a7aded081d0774426af97' 
  AND (
    token = 'BfxaxphzxiHP6zyyAiLw4TgdOxyBaIK9K4RLUJrU4Pk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )