UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P/0Se9Z53U7Oektjkn4P7fMy7i7dNkPd1J5/SevY3dg=' 
WHERE 
  key_id = 'e774c761cb7966e86c095f86dab4155975ff80a59fb36e38b899499f98fadab8' 
  AND (
    token = 'P/0Se9Z53U7Oektjkn4P7fMy7i7dNkPd1J5/SevY3dg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )