UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5Qj6z0y6T1Px2ZsvDdzvuRvtOf1iTX0ELfmfijltx5k=' 
WHERE 
  key_id = '6404af23654d18c1adf73a78e0bd75bd0cb875b436b03cad635e0d3149e94251' 
  AND (
    token = '5Qj6z0y6T1Px2ZsvDdzvuRvtOf1iTX0ELfmfijltx5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )