UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i3JbQQI1kMpJWwZMzcStzm16gdtfEpQXerugMBwF2Ts=' 
WHERE 
  key_id = '4504a79ccc7bc17d9d6c5110614b322282171efb7d18067ca8c278348662d40e' 
  AND (
    token = 'i3JbQQI1kMpJWwZMzcStzm16gdtfEpQXerugMBwF2Ts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )