UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wMR9YVHoJkuLm2cDI5IN8TalaiGqpUojSGmt87UfPjo=' 
WHERE 
  key_id = '91d6deb3300c211722ee4ddf574e6169d8dd975d90e4ce75e870386f6f6b41c7' 
  AND (
    token = 'wMR9YVHoJkuLm2cDI5IN8TalaiGqpUojSGmt87UfPjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )