UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+dWDPRN+hXqbPNRy2gSzSKsgun55tsS81c8+uVBA4M=' 
WHERE 
  key_id = 'a4bed76b03127965ebc3cf18a844afd0446ed6201010f9189e829009d59c823a' 
  AND (
    token = 'n+dWDPRN+hXqbPNRy2gSzSKsgun55tsS81c8+uVBA4M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )