UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gn9ZbVoKm2HHrmg9/PbHYmFYJsEcxmiKz4QawkLWvT0=' 
WHERE 
  key_id = '9c502abb3dea0052abb93de9b49152e148e28f039129912e6f095c1786ebaafb' 
  AND (
    token = 'Gn9ZbVoKm2HHrmg9/PbHYmFYJsEcxmiKz4QawkLWvT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )