UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xKPNvWrBlsf+bFvLVyzTb0uzaaAD7QzsBc/nTjwooI4=' 
WHERE 
  key_id = '921c476cf91e07ac8191eae559393c42eb165488b76ba01826f3490320e21bd5' 
  AND (
    token = 'xKPNvWrBlsf+bFvLVyzTb0uzaaAD7QzsBc/nTjwooI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )