UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ejIhpv+Le6QGWz8CFnaMvcIT1/7I2ZgXhy992W8O81E=' 
WHERE 
  key_id = '796f642f5ea569bdc68830f6d11783fdfa55e2e6da2061d784ad484ee2a60741' 
  AND (
    token = 'ejIhpv+Le6QGWz8CFnaMvcIT1/7I2ZgXhy992W8O81E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )