UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6EVjG5ckdC8RDS51FChGY+aITir5aUqUQ3RNmph9yv4=' 
WHERE 
  key_id = '98ce2753b663258794f658e801588c859894e1ecd01a2f5da40c37598092470d' 
  AND (
    token = '6EVjG5ckdC8RDS51FChGY+aITir5aUqUQ3RNmph9yv4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )