UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RexBhy8qVFwwo2wGcnau42scOgIHFEpkLeE88KfQY4M=' 
WHERE 
  key_id = '5c6ad7a04ee8780b2538a1d0b0c02bf2ec483e12208d15568646eab24aaab40f' 
  AND (
    token = 'RexBhy8qVFwwo2wGcnau42scOgIHFEpkLeE88KfQY4M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )