UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gpmkSzZovgfIwmQPo1xfDZeKgUHsXkUTqZGHSAo8MM0=' 
WHERE 
  key_id = '49f476859679d527945fc148680087cac558adc5fc5e9a56e82851dea55da935' 
  AND (
    token = 'gpmkSzZovgfIwmQPo1xfDZeKgUHsXkUTqZGHSAo8MM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )