UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MM0TxVWzaitvkvhpsKj1gVzWSlLmClbqPTHJ+tOucbk=' 
WHERE 
  key_id = '44542ac8b846feeba472749b2fda5e2bea79ef70d0686c02caf37ffcac8eaa0b' 
  AND (
    token = 'MM0TxVWzaitvkvhpsKj1gVzWSlLmClbqPTHJ+tOucbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )