UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50x8iOPnaF2bnxZEFct1zvxhtkXJl98wGTBgKUveWxg=' 
WHERE 
  key_id = '4f3badc16df03f047a53268bc25738934530a00cb6759acc19735d3d4f90836d' 
  AND (
    token = '50x8iOPnaF2bnxZEFct1zvxhtkXJl98wGTBgKUveWxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )