UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MfnFUi2acWs3z4DWlN26i1smVuZn50ytVGK5xLrGW4s=' 
WHERE 
  key_id = '39a9b1c5c55552f02c80c534a6cd0cc07a25d503bf7f14be1372f760d7778e2b' 
  AND (
    token = 'MfnFUi2acWs3z4DWlN26i1smVuZn50ytVGK5xLrGW4s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )