UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8l6zt4TNxgeKIskU6t8GEdee+K4ZiRUoLemQyROhMGo=' 
WHERE 
  key_id = '755600c79b7cd0e4825b1d5d75528e7fcf75aaffaa49dc2674682493beb82383' 
  AND (
    token = '8l6zt4TNxgeKIskU6t8GEdee+K4ZiRUoLemQyROhMGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )