UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M0ipm96rRKBooS3WUSmPKdp5potiUsT1RgfKz/GnCao=' 
WHERE 
  key_id = '520a79663faef7f47abe5df774dfea8f5dbf5ebf2081bcc1305ee76bd297df3d' 
  AND (
    token = 'M0ipm96rRKBooS3WUSmPKdp5potiUsT1RgfKz/GnCao=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )