UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R7KjTXDICdhu+ZCQg712sE1oxcapjN7iFUroNDCLivg=' 
WHERE 
  key_id = 'cf77d6dad328a4139cfb95e01286a126164440f8cdb3bcfd32be9cd2ec19f73b' 
  AND (
    token = 'R7KjTXDICdhu+ZCQg712sE1oxcapjN7iFUroNDCLivg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )