UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QEU4/GZ1UuPwvaykRp5OAjKppMTLWzfOXCvZBNzq9+k=' 
WHERE 
  key_id = '27103ee5830e3ffb9bfe5e72543955d3a2bcb17a87cad6a00dc33e13fe890ff1' 
  AND (
    token = 'QEU4/GZ1UuPwvaykRp5OAjKppMTLWzfOXCvZBNzq9+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )