UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bucgvdD+g620wfyBz+AwIly0LxsyFY6OST6+vTywHsE=' 
WHERE 
  key_id = '7c6b4947d0e8adaae88062ad04d4489eb18534da811c9be283a9ee43eef9017b' 
  AND (
    token = 'bucgvdD+g620wfyBz+AwIly0LxsyFY6OST6+vTywHsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )