UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SblaBVkXrw3pByUD1NfNofjxM0SaIhcXvTLpXnKnNn0=' 
WHERE 
  key_id = '76cba681063a028f66ce3a955a99509552a31d49ff0c2c36f6853612035f5b12' 
  AND (
    token = 'SblaBVkXrw3pByUD1NfNofjxM0SaIhcXvTLpXnKnNn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )