UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMeKGjfLc0BX3KV1/S/DTajOstXrNQqf8ZBHiHZ3YC0=' 
WHERE 
  key_id = '5de3b96fce42ede593144aca59de1b24fa0e5faeed34062202d0162a751f2d78' 
  AND (
    token = 'MMeKGjfLc0BX3KV1/S/DTajOstXrNQqf8ZBHiHZ3YC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )