UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x0PrqWz/vjZ7PJJju2Skknwb8760Ox9O/RWIJlyIf6Y=' 
WHERE 
  key_id = 'c7afddb7c6d84d8ed1a9e99b74dc3bdce6a5ac79a95b0fdb7b4e4b05cf381be0' 
  AND (
    token = 'x0PrqWz/vjZ7PJJju2Skknwb8760Ox9O/RWIJlyIf6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )