UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nFbwl/sfaQwUvG8gyQSXPUXTK4JKEkqLCCl+TsVFQxs=' 
WHERE 
  key_id = '27939c594d852b309a2db8eeecefa564538e02b115a17ccaf58fb32f7f9927cb' 
  AND (
    token = 'nFbwl/sfaQwUvG8gyQSXPUXTK4JKEkqLCCl+TsVFQxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )