UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tnLK3aNtV+bb2VxnYzXVj2KFMpWWUEOHS8u4S9DKFls=' 
WHERE 
  key_id = 'a6dfcd576807e2dd0ffff57d363361dc579733935b3893d6cfbbcd27cb7889ec' 
  AND (
    token = 'tnLK3aNtV+bb2VxnYzXVj2KFMpWWUEOHS8u4S9DKFls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )