UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9oG6BBCuQQujV52gAARhbsSopNiKVAzEKpneRjHpBcU=' 
WHERE 
  key_id = '51a459107f2c842ebab546a67747afb4cfc6fa3b6653253350748356c7ba4c89' 
  AND (
    token = '9oG6BBCuQQujV52gAARhbsSopNiKVAzEKpneRjHpBcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )