UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'CeR4/3JGMykVbun8KTSholy9vIUUXIvvM1sZJfCyvsA=' 
WHERE 
  key_id = 'fa43ad735e2960eb0c8cda64a753932d6d9da4f62938382a957d90e126f56e8a' 
  AND (
    token = 'CeR4/3JGMykVbun8KTSholy9vIUUXIvvM1sZJfCyvsA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )