UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PS09bPPdywfzpM7LHHzVnPla1x75ntO4EvPJq+M3I9w=' 
WHERE 
  key_id = '7506f926b07d997c703872b3b64c1d2e671c270a4121ab935677b60d24fb0611' 
  AND (
    token = 'PS09bPPdywfzpM7LHHzVnPla1x75ntO4EvPJq+M3I9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )