UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xIBWEGavDQrEiquAJdnXdTdPV/+19hijEUYY9jscuMg=' 
WHERE 
  key_id = 'b19616927cef5fd0789d6d13376e1818beb85aa50779e68d7a40d5270eecb0b7' 
  AND (
    token = 'xIBWEGavDQrEiquAJdnXdTdPV/+19hijEUYY9jscuMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )