UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aiMxH489S/+kPg9HbRrbwWq5UWW4MAx04Pq2Z8CTGSs=' 
WHERE 
  key_id = '7c2f6e020cef6841cd7de79d185de39a30bb61f134a6fed4b79d1a1a0307ff95' 
  AND (
    token = 'aiMxH489S/+kPg9HbRrbwWq5UWW4MAx04Pq2Z8CTGSs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )