UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RV/ntYwqLR/9ztRsqqUxlX8J38WuqdQZLJs9l3iccqs=' 
WHERE 
  key_id = '68c6f3c61df2a6d442729bfcab23992bb344c80940d710546d665ccf1a4c4fb3' 
  AND (
    token = 'RV/ntYwqLR/9ztRsqqUxlX8J38WuqdQZLJs9l3iccqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )