UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xJMScGrMyAZC6yChXJbf6A7q3fqNhTiPt0PtTU3/OnE=' 
WHERE 
  key_id = '1c874408098ce9f75ad503e6e484bc91f716feb4c9c4e3a095957a96734cef97' 
  AND (
    token = 'xJMScGrMyAZC6yChXJbf6A7q3fqNhTiPt0PtTU3/OnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )