UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQ00omdLA63igGVKFHAcnbXYpWWNTg2dIipocScFoI0=' 
WHERE 
  key_id = '492da4d00e19e649c0740d2875c88d300c4bfa238ffc1f34ec18db5d9780c3f9' 
  AND (
    token = 'xQ00omdLA63igGVKFHAcnbXYpWWNTg2dIipocScFoI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )