UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z+bJtVb2cWABUCvh5scCRPqT2yQegNNPpWDc32ZceNM=' 
WHERE 
  key_id = '015942d7d805b651d658cfa29309c312affef5a3d164205e806e31c1e8692433' 
  AND (
    token = 'z+bJtVb2cWABUCvh5scCRPqT2yQegNNPpWDc32ZceNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )