UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ek4xD8qRnkIl2lUpK3rXtuo2/zRH4AONv2bKTAh+3vw=' 
WHERE 
  key_id = '9d759423c12e196d823bf9b44fc3c005d0d3b2333f01835e17be0d37719e4e77' 
  AND (
    token = 'ek4xD8qRnkIl2lUpK3rXtuo2/zRH4AONv2bKTAh+3vw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )