UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ElQSKLr9OSNdMmSunyPHwUCAl6LEbqf7kRIPJeO98cU=' 
WHERE 
  key_id = 'c6e56f55bb62ca1259051a032e7d889e8a07854c327ae27b506a9c1eb62be32d' 
  AND (
    token = 'ElQSKLr9OSNdMmSunyPHwUCAl6LEbqf7kRIPJeO98cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )