UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LbsULvp5MDNDTfEP6U62eBktnsBb/6vaFe99n1H5FuA=' 
WHERE 
  key_id = 'e298fcc41b854285aba2f7babcfd527c2d34bce3b226cbabbd56051fa7818e11' 
  AND (
    token = 'LbsULvp5MDNDTfEP6U62eBktnsBb/6vaFe99n1H5FuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )