UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bS35DVo4gYnmEiY6wT7MMTLNG2U0hg184HdmrSDzjxc=' 
WHERE 
  key_id = 'f6bec9b9c5a1f8006419651fad623a72516f966981811d67706da08e32df40cb' 
  AND (
    token = 'bS35DVo4gYnmEiY6wT7MMTLNG2U0hg184HdmrSDzjxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )