UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bil/EAgK+dZH3t7z6KvPRvj5afqjKrMTwWBtSxjISs0=' 
WHERE 
  key_id = '79c03cf97498b523dd27a1aa6e91ec546cb6e7cd702a5a2e23fc45544195a72f' 
  AND (
    token = 'Bil/EAgK+dZH3t7z6KvPRvj5afqjKrMTwWBtSxjISs0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )