UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bI8dbquAePxPjfbDDS1Mk1eeljEVX24zZ3/UvmLHnlc=' 
WHERE 
  key_id = '21fdb8187d9155c16542dda1297477b3c941b5ff53967e8f15d02937616ec1ed' 
  AND (
    token = 'bI8dbquAePxPjfbDDS1Mk1eeljEVX24zZ3/UvmLHnlc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )