UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCgTqgPE76w+gE9O87HXAO3cJkS2s4+V8U/EBZhkKlQ=' 
WHERE 
  key_id = '3c6641984b75d7075a9e9fec807f3955a2be020dabfc10b219774fe208d1a793' 
  AND (
    token = 'MCgTqgPE76w+gE9O87HXAO3cJkS2s4+V8U/EBZhkKlQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )