UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I6VR6SoWBdWOhl3lI3loUJUFnKGXkdkiXus8X9XVfq4=' 
WHERE 
  key_id = '35524f56073fd22250d88ee54a17681e2e0893fcfc3875b73545f0361de90296' 
  AND (
    token = 'I6VR6SoWBdWOhl3lI3loUJUFnKGXkdkiXus8X9XVfq4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )