UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mbt3Y7JTvVC1B48qzMMqeKRIcwkGgDxKMWf6A/IGDpk=' 
WHERE 
  key_id = '4bce31b4d5b49744aafde7970a455f40b6e8e1d28541c8c2a23b1085da784764' 
  AND (
    token = 'mbt3Y7JTvVC1B48qzMMqeKRIcwkGgDxKMWf6A/IGDpk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )