UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CHe3OGukajF5AWN3fJFdaF2r61UtvbBzdjUJkLKCfAs=' 
WHERE 
  key_id = '639a80cd8ba8e2b94f19552693bca827eb05959f254486b969cc557b3447e36e' 
  AND (
    token = 'CHe3OGukajF5AWN3fJFdaF2r61UtvbBzdjUJkLKCfAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )