UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/1Nf/cLyy3v645rlWgRHZGlSD3Jn+6CSKEdwJDxfeM=' 
WHERE 
  key_id = '38c40647511a081503bb49b99178e38bfedba93308e10b6da0393337837a169e' 
  AND (
    token = 'r/1Nf/cLyy3v645rlWgRHZGlSD3Jn+6CSKEdwJDxfeM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )