UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DMf7PEzjMLRirDyG8MVrU6jQI8erhp4S4LqqCBWRoeI=' 
WHERE 
  key_id = '66b7bfbf672a164b39b76339dec526a7d4887910410b771c2e26f85229f9c246' 
  AND (
    token = 'DMf7PEzjMLRirDyG8MVrU6jQI8erhp4S4LqqCBWRoeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )