UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KvzzVIwiSoRoB4oqz6zrG/NBQNTucPUiF2qPWnPXyqE=' 
WHERE 
  key_id = '3ff38136ed58a34cf23b5feaa5480e527f157d08def75fdcfd702175520efa52' 
  AND (
    token = 'KvzzVIwiSoRoB4oqz6zrG/NBQNTucPUiF2qPWnPXyqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )