UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zlNf/Ek475s1qx9TeOcqbkNT3NoV1pcIelNoJdMpFio=' 
WHERE 
  key_id = '16040389b7173049a54ce4eb7ed61174124d3775f6ca42be7e8e6ac76cb59b42' 
  AND (
    token = 'zlNf/Ek475s1qx9TeOcqbkNT3NoV1pcIelNoJdMpFio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )