UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eWQ4e+d7zuXKIgUx13rfICjmc7parLhOIjJ0V9eIKPQ=' 
WHERE 
  key_id = '40f70527e4bdbb2f42a86a171124618e242e5fcd24f18201bbe637037b36f63a' 
  AND (
    token = 'eWQ4e+d7zuXKIgUx13rfICjmc7parLhOIjJ0V9eIKPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )