UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGFR9gMkyJ9zhBDkjyMbgL9GFTvqyQ7vG6QQRd5kK/w=' 
WHERE 
  key_id = 'd520637cd55b16aba37813ad02f33c8aed7aee6b591e06e794cfa74e134b7cbc' 
  AND (
    token = 'MGFR9gMkyJ9zhBDkjyMbgL9GFTvqyQ7vG6QQRd5kK/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )