UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dxOhTfYUVRtFeUvuzQAOArAFjG3nLwdc8D/XcIyfrt4=' 
WHERE 
  key_id = '546e9e7cd8b4de0a28963d990b6685cad8782715928e851393b8f6781166fee0' 
  AND (
    token = 'dxOhTfYUVRtFeUvuzQAOArAFjG3nLwdc8D/XcIyfrt4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )