UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+C4EvRVYYNdLnwCyZbFJvAiaLxMHAyfZECiPPtW9lGQ=' 
WHERE 
  key_id = '6118e0eba6b7cc2b191aa2cef69136dfdd83aa6067441487e98055615cab177b' 
  AND (
    token = '+C4EvRVYYNdLnwCyZbFJvAiaLxMHAyfZECiPPtW9lGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )