UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/RoWlO/7kZQY9wWjke67B/yNSX2QYv+0xwu9ShWm2TQ=' 
WHERE 
  key_id = '31b26292bce251139d9cbe7830bba0dc98a47fd8fbfc9e9fb0af6e551c611564' 
  AND (
    token = '/RoWlO/7kZQY9wWjke67B/yNSX2QYv+0xwu9ShWm2TQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00015