UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H2br5rar8KZfh2D7gyzqTWnFMNo/4UA2lHo1R3I9rcE=' 
WHERE 
  key_id = '7b0e76419567a0faafed0a3c86d25848c5bbf61c80d49041d55c8be2e38d6803' 
  AND (
    token = 'H2br5rar8KZfh2D7gyzqTWnFMNo/4UA2lHo1R3I9rcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )