UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o6/ekm2eAtof0FLCkKwExWhWL/74FTLXc1aq3TBNano=' 
WHERE 
  key_id = '79d70fe9309f7d3f05da99637d3310c397d76504aaa208f788ec0f2ed9db2f0d' 
  AND (
    token = 'o6/ekm2eAtof0FLCkKwExWhWL/74FTLXc1aq3TBNano=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )