UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51QlE4RJQ9k2MEsN4NhkZD9iiepQV3x0WZ335F70c90=' 
WHERE 
  key_id = 'ef7f5b9302958dc9180b847c8c7019d788bd38ddad0bd8d2e54fb1b1ed9ac2e9' 
  AND (
    token = '51QlE4RJQ9k2MEsN4NhkZD9iiepQV3x0WZ335F70c90=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )