UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rxtw/QXs/h4LxecMoSjn80EnFdEzenXPtlLQuSILG1E=' 
WHERE 
  key_id = 'e5c926409bb608a83507ad946d7eb2e58f5bde9ed453542be4f851247cd5981b' 
  AND (
    token = 'Rxtw/QXs/h4LxecMoSjn80EnFdEzenXPtlLQuSILG1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )