UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMWG9hBxK7EA/IWO32TUdu+AkmYecPWLOY6r3isPEXI=' 
WHERE 
  key_id = '904fb4d3f4e13028ac1cffa2ab6580372ad87a2cc12df295a539f47233eac38a' 
  AND (
    token = 'mMWG9hBxK7EA/IWO32TUdu+AkmYecPWLOY6r3isPEXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )