UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'md+d+v0zEJbPjhsQypYXnTL12Uyb+VV62wKNENlvF28=' 
WHERE 
  key_id = '81eb9f77bdfb5b16aafc6ad0b604c5570def54496040cc6bec0c50555dbd1567' 
  AND (
    token = 'md+d+v0zEJbPjhsQypYXnTL12Uyb+VV62wKNENlvF28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )