UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RK4k9JoSxpipF9QwGiYL3eMoC2XXuKnTNshIIRI977w=' 
WHERE 
  key_id = '891b4d7db3539ca744bfe9abc347f69984aeacccb46be8a3ca0c7a6a7d244d43' 
  AND (
    token = 'RK4k9JoSxpipF9QwGiYL3eMoC2XXuKnTNshIIRI977w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )