UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KpcSoWVoIoahOdzPQZPA+jnMLavRRiCFgaKtVdvnaKI=' 
WHERE 
  key_id = '2050e7bab3b1a6d125447990bdb229fbe55c8a2f2a4a258290b0f7e753414250' 
  AND (
    token = 'KpcSoWVoIoahOdzPQZPA+jnMLavRRiCFgaKtVdvnaKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )