UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CCaWmq6z3EwvkLLXyvPLWmx1aWTV4D4sbeGn7WqWivI=' 
WHERE 
  key_id = 'c939ba8c541bc33958ffe9d22ec42de8f684ebf39c97d9021dd0da607788523e' 
  AND (
    token = 'CCaWmq6z3EwvkLLXyvPLWmx1aWTV4D4sbeGn7WqWivI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )