UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VEUgIg8YooF2WRswM8b6YpRoqw0uKhw5SpD+F/tS+ZU=' 
WHERE 
  key_id = 'c7494126e6acf5feb5468b6a11adcea7667c64af1a2daf14e0ef258779a778d2' 
  AND (
    token = 'VEUgIg8YooF2WRswM8b6YpRoqw0uKhw5SpD+F/tS+ZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )