UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '16X+9BZKaE/2Y0WWA1t59eL1G2oyxWSaHU8G2yaPa8I=' 
WHERE 
  key_id = '7a4847798d4d6e8aac429ae89e5982ed0f180391622c432029cbd828af08ff98' 
  AND (
    token = '16X+9BZKaE/2Y0WWA1t59eL1G2oyxWSaHU8G2yaPa8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )