UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3mkjOdJKKQwcWiZ7CMQmwEGoI3AcxfLbwYy8dupJs9w=' 
WHERE 
  key_id = '9dc1bf19a2a85d3bbfe24a0334fa137afd18652328f79724177fc4b7239cfd7b' 
  AND (
    token = '3mkjOdJKKQwcWiZ7CMQmwEGoI3AcxfLbwYy8dupJs9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )