UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RnGTYwWJGrh5onex3Tk9XH3fVje1Y8SdwhRYw+Nfirs=' 
WHERE 
  key_id = 'b6b3e642cd89f689ccd871ec6af3a587722cdf06c54a90f2b0ee21323d4cf4fc' 
  AND (
    token = 'RnGTYwWJGrh5onex3Tk9XH3fVje1Y8SdwhRYw+Nfirs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )