UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EmU3r21yivHPAQbHsYDW3Be8biweSnwoYETj9ra0/kI=' 
WHERE 
  key_id = '1c9753fc6440905cd7716dd20be5596e818409667f7fc1004a44d4cc62ebbe27' 
  AND (
    token = 'EmU3r21yivHPAQbHsYDW3Be8biweSnwoYETj9ra0/kI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )