UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y+xLz5CnDkQ4ld2g39nSuh1aaYPvukFHiR8wTaODwiY=' 
WHERE 
  key_id = '6e76081c221fe487562f3e7eb9a04ec1b110932023b0006411ad525d0c18a1a3' 
  AND (
    token = 'y+xLz5CnDkQ4ld2g39nSuh1aaYPvukFHiR8wTaODwiY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )