UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'txqnk21y6LPa8iWQROHmJC9ZUq6kEFhGzXGxlyKUcXs=' 
WHERE 
  key_id = '4d78bdad838be83b221a1c1667263badeef74fee521f4b6ca6524fccd5435fb6' 
  AND (
    token = 'txqnk21y6LPa8iWQROHmJC9ZUq6kEFhGzXGxlyKUcXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )