UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bu4cX7TMcqOpQ89YD/mfO+fRbXHgp6EjGx/B+c5k9bo=' 
WHERE 
  key_id = '42f35e38aa802c498b4281d16cc7abbb1c579d94229c8f807427a873479b2911' 
  AND (
    token = 'Bu4cX7TMcqOpQ89YD/mfO+fRbXHgp6EjGx/B+c5k9bo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )