UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z/Q5CKC/8SOakPFIpErlBjxpGSmgeKMrZGWaac/i+UA=' 
WHERE 
  key_id = '6968a1c52bdc7f138f0d9e411a72fc9aff3cbc8a860530ae534562976c195f45' 
  AND (
    token = 'z/Q5CKC/8SOakPFIpErlBjxpGSmgeKMrZGWaac/i+UA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )