UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b++4SxzK5C7UEf5OYzw3upXXIB6EwrYWvRUZKZxmyj4=' 
WHERE 
  key_id = '796bc9bf86e616e95e5a0a7c3b87451670f2239dd9e2b3a8949367e675008112' 
  AND (
    token = 'b++4SxzK5C7UEf5OYzw3upXXIB6EwrYWvRUZKZxmyj4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )