UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V+0E8IrFdbXTdDvU/SccUt7tioVlhSertHRARaXfR80=' 
WHERE 
  key_id = '308ee43ec4828645d56fea6af1bec2fd4586df69a036faad5add8c3aab1841dc' 
  AND (
    token = 'V+0E8IrFdbXTdDvU/SccUt7tioVlhSertHRARaXfR80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )