UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6otxydAkzCLo1avs6iWzrJq8CzMyKL5a/QEcOkYl48=' 
WHERE 
  key_id = 'ec4293df96428de6bb69a72f3f3eed953afe389d7e1c496d01ee6f3e49c69428' 
  AND (
    token = 'a6otxydAkzCLo1avs6iWzrJq8CzMyKL5a/QEcOkYl48=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )