UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '445ddutZqo91HGH7Ju5giSmXeoTIqv3QyIqJsYE4EvM=' 
WHERE 
  key_id = '51c4836b948035a9a6ab6d5e75354eb0ef2075e097b7e1dd4c0a43fa11b42b3e' 
  AND (
    token = '445ddutZqo91HGH7Ju5giSmXeoTIqv3QyIqJsYE4EvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )