UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mgRtnGG40o7RKgoJyHMOfuaF1H8fLJzC7fp1okNOfTU=' 
WHERE 
  key_id = '668ef83842ab64483e5654e29b9afa09ccbeb85fa93fa2315475271f06b151df' 
  AND (
    token = 'mgRtnGG40o7RKgoJyHMOfuaF1H8fLJzC7fp1okNOfTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )