UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VLnTdj34j3WYCbjr9Tii8u1SM96zkOSN2VNMKgDkQtw=' 
WHERE 
  key_id = 'c16e06f535e4762f29fa34af3e319fc735a3fa2edc4433075f7e1c79b4393a4a' 
  AND (
    token = 'VLnTdj34j3WYCbjr9Tii8u1SM96zkOSN2VNMKgDkQtw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )