UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l2z8UJuM3CVrEW5gFE1YHOLw1SjemrDW437m5PUAFrg=' 
WHERE 
  key_id = '8513c5a47bade2563ea03e75e168bd8ce335538ddcbf208dcfa5efcebaa42304' 
  AND (
    token = 'l2z8UJuM3CVrEW5gFE1YHOLw1SjemrDW437m5PUAFrg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )