UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+DG6o0Auc7lE5IJHUCj+A/3iGsE/rVmcIGFQV0+6ov4=' 
WHERE 
  key_id = '6e18394ef6384f934b13fde796c3d51ab2efb2b15c0be2900ecb7bdf1e72ead0' 
  AND (
    token = '+DG6o0Auc7lE5IJHUCj+A/3iGsE/rVmcIGFQV0+6ov4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )