UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cTiMPKjkfXKGRTA2FGGtp44wDTutLSqfSiDWOexdxk0=' 
WHERE 
  key_id = '19516cda60c96298247a503c313d27d2e437722a55718fd160cf396984e2d6b8' 
  AND (
    token = 'cTiMPKjkfXKGRTA2FGGtp44wDTutLSqfSiDWOexdxk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )