UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cc8mnydy/HeWeq6sBj1jJ3dANogv0+5QbWbuJAORBLc=' 
WHERE 
  key_id = '6321f56c2127efe88e89efc82af5b2c8d44e245b3d7de3edc0908b9f8e779fd3' 
  AND (
    token = 'Cc8mnydy/HeWeq6sBj1jJ3dANogv0+5QbWbuJAORBLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )