UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yRvmeTUT2GiMis9GpKQttPKhPMEdQRbJB0SH4YWxXfM=' 
WHERE 
  key_id = '81db7202a68eac5a1e8634b85da2c7ef8b8ad97172b55e0dbc5ff980f9b77b9a' 
  AND (
    token = 'yRvmeTUT2GiMis9GpKQttPKhPMEdQRbJB0SH4YWxXfM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )