UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VECxew97qqCpyP097noFdkAby1W/4nddVzGyzlaS2ck=' 
WHERE 
  key_id = '6b93b6b5baa7eaf6d894699ee88790e7c4a24b41ce3e9061ce322ccc140d5948' 
  AND (
    token = 'VECxew97qqCpyP097noFdkAby1W/4nddVzGyzlaS2ck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )