UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y3YZ3lFtRVp9z0tBHks8WhHtZsMdwRDYx/0Tki4g21I=' 
WHERE 
  key_id = '1cabe81f0d1517163bb2a1b4139219c0691dfc437061dcedb037893336bad5b5' 
  AND (
    token = 'y3YZ3lFtRVp9z0tBHks8WhHtZsMdwRDYx/0Tki4g21I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )