UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5ue7Rzhuy6bQ8mYw0EtGgTHqQ/VoNKRfDuZffFhfbDM=' 
WHERE 
  key_id = 'a27cf87068566c31eef2b16c8a83df7d8be630fe2eb272e8c8282f6c88053991' 
  AND (
    token = '5ue7Rzhuy6bQ8mYw0EtGgTHqQ/VoNKRfDuZffFhfbDM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036