UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zul5PWS3cjU1tniy2h8oHR2xPsUSflGLjHgChcF4ioY=' 
WHERE 
  key_id = 'c453b563b55e0fe1e8aeb83df6170c288dd29bb3c333232476a390edb365d856' 
  AND (
    token = 'Zul5PWS3cjU1tniy2h8oHR2xPsUSflGLjHgChcF4ioY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )