UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gA6flbnIb3zAjzpgFnvcKXVzKhZBfnWikIsYBirvBQk=' 
WHERE 
  key_id = 'c6bad86087cdc19f2f23904f8b6dc07fa086f09e3387a5d9cabd719e1c6fe5e8' 
  AND (
    token = 'gA6flbnIb3zAjzpgFnvcKXVzKhZBfnWikIsYBirvBQk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )