UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4+t8LBteH+jY7M0O2oqiUh4QfvX5bQAqVXyfZyU8xw=' 
WHERE 
  key_id = '991b7487d7180877d89d3f69a9473bae8f090639671746bedf1fab5d7eb25eff' 
  AND (
    token = 'U4+t8LBteH+jY7M0O2oqiUh4QfvX5bQAqVXyfZyU8xw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )