UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHeYqo3VpUaPquj5JQsL2cIgu0cOmyf5ZwdVuX1xRkA=' 
WHERE 
  key_id = '7956640bd882758f1435a1f0ae727834669773c8a8b5a24bc2770096984f4efe' 
  AND (
    token = 'MHeYqo3VpUaPquj5JQsL2cIgu0cOmyf5ZwdVuX1xRkA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )