UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6V4Z/d03NY6nw/ayw8eKGo1/0wB2RMhaXnMPD44/9o=' 
WHERE 
  key_id = '270f805bf306ff742ac7646c3d9868fdf9a1194929810605c8ac9c39a5684bc1' 
  AND (
    token = 'w6V4Z/d03NY6nw/ayw8eKGo1/0wB2RMhaXnMPD44/9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )