UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LR6KpAAKXn0d6OFk6mAccQKmqsadoeJo2azedPQvyig=' 
WHERE 
  key_id = '4468dfc2dd943e0fb34d8f4562459bcd58b1785495fe66961c668659be81e7f7' 
  AND (
    token = 'LR6KpAAKXn0d6OFk6mAccQKmqsadoeJo2azedPQvyig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )