UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gjeGha3I+Rab75WTm809pef0HmiGXAMraMo9qHENefM=' 
WHERE 
  key_id = 'd6972a93e81d07829ec57ed6568f7b04d5bb9bdd0a89046b709c301391c50978' 
  AND (
    token = 'gjeGha3I+Rab75WTm809pef0HmiGXAMraMo9qHENefM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )