UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vuk0dyvX6SV1yJW2vQXUmtUMVlkFSjfFmPpiVAIRrCo=' 
WHERE 
  key_id = '5d50c7d8fe48cc635e26c5d942dc4af99923bd8670e4f214cfb6c36494bd182f' 
  AND (
    token = 'vuk0dyvX6SV1yJW2vQXUmtUMVlkFSjfFmPpiVAIRrCo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )