UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZH61VCy32D/RAqyFI4rE62nVzzl7L1jdK5SDgn6MuC8=' 
WHERE 
  key_id = '53bd7a6ea12421678df07834cdacbcf4331581dc44440067d46d045e7e91be57' 
  AND (
    token = 'ZH61VCy32D/RAqyFI4rE62nVzzl7L1jdK5SDgn6MuC8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )