UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bUPidUOTLcdI4qbytWVYd1x70QuSnFRhXJwERfuFlrA=' 
WHERE 
  key_id = '83854f0e2dd7d0b751ca044d4ab229fe4a7c73a0778972cd6589312242d56be4' 
  AND (
    token = 'bUPidUOTLcdI4qbytWVYd1x70QuSnFRhXJwERfuFlrA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )