UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fSBWtt+whvmzvH+OKjJBHgvMoXraSuOkoxeCbZ9WTAQ=' 
WHERE 
  key_id = '8358860fdb680fc1145bf6c4da14cf3a24d53c3869e05edec1e27eee2045df61' 
  AND (
    token = 'fSBWtt+whvmzvH+OKjJBHgvMoXraSuOkoxeCbZ9WTAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )