UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kZL2eduLqzXpfxgCM+CUYJvzJS73OceiUKxW8ntk6y0=' 
WHERE 
  key_id = '6fc6ab49412601e55a3a056ccf824f20b5e76236d6962623728a15e0931c6af3' 
  AND (
    token = 'kZL2eduLqzXpfxgCM+CUYJvzJS73OceiUKxW8ntk6y0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )