UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'en2u4Q+H6hwvyTRBqguBgxstnPTFmJK9hDbMtpCtsF0=' 
WHERE 
  key_id = '1d42295e8d876ee03c43f5680412911f826755349dcb84457a67f1884282b795' 
  AND (
    token = 'en2u4Q+H6hwvyTRBqguBgxstnPTFmJK9hDbMtpCtsF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )