UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v4kNgVWMd4tkMkxCO5VaC68sknwv00ry01aYvWdIXVU=' 
WHERE 
  key_id = '793a41a67f8505c310a7725e36f41b038ad158d7dfedd4ef3eec486eb5b4c555' 
  AND (
    token = 'v4kNgVWMd4tkMkxCO5VaC68sknwv00ry01aYvWdIXVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )