UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6zyw5IUDLYyA3gjUaauhX4ztnpy8y6jO+bkqJWSO9As=' 
WHERE 
  key_id = '4b12126138d1427bd59cd95a97f5f382994cd02975ca63458b1f0fd93c50bb3c' 
  AND (
    token = '6zyw5IUDLYyA3gjUaauhX4ztnpy8y6jO+bkqJWSO9As=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )