UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gL7jt9PVMonJgcpZsu1eJab4IGx07vHQxNWG/rIAtLk=' 
WHERE 
  key_id = '817ee96eeef4d31b766b8dc887a67b35929c5827c75c9e0a20ff599e2e916e0f' 
  AND (
    token = 'gL7jt9PVMonJgcpZsu1eJab4IGx07vHQxNWG/rIAtLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026