UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BZTfXPbd5qY3pbNMGss6e7LohGNAGVEOy1lyZfJXMjA=' 
WHERE 
  key_id = '4d56e731d4375e64bd6183a0f572cd977f2694222fc75d21387a61a2c39a84d4' 
  AND (
    token = 'BZTfXPbd5qY3pbNMGss6e7LohGNAGVEOy1lyZfJXMjA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )