UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQHtFfwuUcBRmiBTiHPR+fMQ7aH77SmlHjHIuYFIijY=' 
WHERE 
  key_id = '76cb3d14a308c531dbb13a504056e606651c1b4cef7dfebf070d971e333d25d3' 
  AND (
    token = 'RQHtFfwuUcBRmiBTiHPR+fMQ7aH77SmlHjHIuYFIijY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )