UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O+bRCz2O9bcO8KUSUfsidj1Aqzy8ZilIryvVyHbwZww=' 
WHERE 
  key_id = '51f66d327ccc26897a1e92f5e15a2952eb860f5762500697889f6636e2b9c953' 
  AND (
    token = 'O+bRCz2O9bcO8KUSUfsidj1Aqzy8ZilIryvVyHbwZww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )