UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6TBcnhpn4d36BfwHicTBf/6BnjvpplMf3dLrdiq+foY=' 
WHERE 
  key_id = '6804691f8559c0d754dfda4cb3d8c083520be738f1704a4ec19038e04a8fb45e' 
  AND (
    token = '6TBcnhpn4d36BfwHicTBf/6BnjvpplMf3dLrdiq+foY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )