UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '34BHAM+oVsThQwDq7FrcJiWIHgKM7uCy680FhIAOXY0=' 
WHERE 
  key_id = 'c475a85a5862f20bd718f6897acc3a331ea09ef758a91f8a252117c17cfc472b' 
  AND (
    token = '34BHAM+oVsThQwDq7FrcJiWIHgKM7uCy680FhIAOXY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )