UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkNkHKgpf8vdEeDj7f/JL8fUYO2F9IJL1jdRbULsHQ0=' 
WHERE 
  key_id = '1ecc975de3cddcd529c1fe21df9312716b2538e73426fefe64d2b528728c61f2' 
  AND (
    token = 'PkNkHKgpf8vdEeDj7f/JL8fUYO2F9IJL1jdRbULsHQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )