UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3AgI33B+x3Ge2795K5CpPvIvDrYGfPQAtZAWvqcC5d0=' 
WHERE 
  key_id = '4764493e88095f906e7eca52edd88ac6143b42439dc03fb23eac279e8c2a2f96' 
  AND (
    token = '3AgI33B+x3Ge2795K5CpPvIvDrYGfPQAtZAWvqcC5d0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )