UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6zeXhNmDuhp2eIKUz8Ql9gTEI26T74VTpYu3CYMYQbA=' 
WHERE 
  key_id = 'e38adad9e0b32f1482bbe55b64212865095735bab52f0841e6efbfa390427e6b' 
  AND (
    token = '6zeXhNmDuhp2eIKUz8Ql9gTEI26T74VTpYu3CYMYQbA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )