UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zZP6ipVhT6YH4zeOM4FxNluqovz0gwACFDibQF6FNPg=' 
WHERE 
  key_id = 'c413dd757b80f09e9d9857164d87a7d11781febf4a00762b799f901d3981ceb6' 
  AND (
    token = 'zZP6ipVhT6YH4zeOM4FxNluqovz0gwACFDibQF6FNPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )