UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4xpn1TlmrIXoLZz2dzKLlM7UpH1jAQ2aloOsAtFnxds=' 
WHERE 
  key_id = '2ff0aac6457e501cc96389f379ee29bc7ef338a7505152b3587501d0dd61634f' 
  AND (
    token = '4xpn1TlmrIXoLZz2dzKLlM7UpH1jAQ2aloOsAtFnxds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )