UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QcSKLxva9NfPKrjx2SkO045mGfQrPOK46UuQcmahxgc=' 
WHERE 
  key_id = 'c3049af019deaf0c6264df31dc3268084a2e47e59f30196d26ec6722adc2f651' 
  AND (
    token = 'QcSKLxva9NfPKrjx2SkO045mGfQrPOK46UuQcmahxgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )