UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K/Ea/fWZEuVqvtG9/TynmdsTmtmUIQyGmpYsy9WE9Tc=' 
WHERE 
  key_id = '93cba639d59c339f49ff664f044b944eb42fae081501d941d8283d8acbbe7909' 
  AND (
    token = 'K/Ea/fWZEuVqvtG9/TynmdsTmtmUIQyGmpYsy9WE9Tc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )