UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MU88yEoBtZo5R6RYp0XwGP7cz72fzDzvIjVd7DiWJPw=' 
WHERE 
  key_id = '36b655be63e8f6f33378186f79294754866da3f4017a4f7632c7c8e4c5f63fee' 
  AND (
    token = 'MU88yEoBtZo5R6RYp0XwGP7cz72fzDzvIjVd7DiWJPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )