UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zmmVlK+Am/YnBNgi4gE8+QT8RlLsklkmod2hoRfXNos=' 
WHERE 
  key_id = '761e817f4b606c7800eb50d604a53d16025df8fd03ac5458f5cebe4464f454de' 
  AND (
    token = 'zmmVlK+Am/YnBNgi4gE8+QT8RlLsklkmod2hoRfXNos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )