UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gSlVQsr2exz+RCzPUNv5IhRcrhBEobFtW7smzkDmhlg=' 
WHERE 
  key_id = '49993c22eb33c51c75b62916cb29aa0fee50293c42bc47094811a76aa1d08f18' 
  AND (
    token = 'gSlVQsr2exz+RCzPUNv5IhRcrhBEobFtW7smzkDmhlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )