UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKAuw7VMT2xctl7Os6pgC06iH1691vm2lqcdo0UpjVo=' 
WHERE 
  key_id = '26a6db50ba917cc0eb1cfe0972daf681ad89a9eb3625f6e92285479a7cc6b274' 
  AND (
    token = 'MKAuw7VMT2xctl7Os6pgC06iH1691vm2lqcdo0UpjVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )