UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N2ln8B68LGsX+9nhRg7eyUCFj9lnuqEzu13/vo2xhG0=' 
WHERE 
  key_id = '27d8972e411955e1664d39fa783662a85997a8450e356da5bc11cad0e45dd5f6' 
  AND (
    token = 'N2ln8B68LGsX+9nhRg7eyUCFj9lnuqEzu13/vo2xhG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )