UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wj4mXFWgdop8gkHMrZegMRJaWQSI66lX1qt5cCx/bl4=' 
WHERE 
  key_id = '6f766c24d277a5bb317df8b0e08b48a43b09b60314773727e426417693101472' 
  AND (
    token = 'wj4mXFWgdop8gkHMrZegMRJaWQSI66lX1qt5cCx/bl4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )