UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CmzvrIeIUFEtOypKJbnsQDRQNYZoibZL3Wvlr/uAE0o=' 
WHERE 
  key_id = 'f76fc8630bc2b64b5d76f8404d947de1e8c299d7b716214cd89e3a752a2e9960' 
  AND (
    token = 'CmzvrIeIUFEtOypKJbnsQDRQNYZoibZL3Wvlr/uAE0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )