UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e15+d87CKTCxJVFGsUilXiRRTWfMlNCt8P9VuYj03cU=' 
WHERE 
  key_id = 'cae42394eca218ebcc79f929133b2498a0f8b035745a5613a962e4c320a4f65e' 
  AND (
    token = 'e15+d87CKTCxJVFGsUilXiRRTWfMlNCt8P9VuYj03cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )