UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cTC8aAysvel5VjSMxma5qNcEqyz9bPqol3DbT08Dnr0=' 
WHERE 
  key_id = '6f859fd19fe1642a95f11a81743ad619fd18d39be31495967b14fc3d7a267475' 
  AND (
    token = 'cTC8aAysvel5VjSMxma5qNcEqyz9bPqol3DbT08Dnr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )