UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oxyajgt6sy1NeKPu7P6Bx02rRwPmflQSH+baR4fCXRo=' 
WHERE 
  key_id = '6fff17ac72a97d87543b471f864cabba143111a9656611c067285de7105d3834' 
  AND (
    token = 'oxyajgt6sy1NeKPu7P6Bx02rRwPmflQSH+baR4fCXRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )