UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ev3gMGQje6qxs/ERWdYDDlhT039fJa0COiIErwkIQu0=' 
WHERE 
  key_id = '68d1f3138fd6a9caaacad4413646fc3e90d5c911165c4fb80db39d34b93b9986' 
  AND (
    token = 'Ev3gMGQje6qxs/ERWdYDDlhT039fJa0COiIErwkIQu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )