UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P6Zj7wdbO2hrfDQbvHgDD96vtJWWc4uybSP2Nc3NLck=' 
WHERE 
  key_id = 'bf6d14c59b0b5211433d34c983b60d28cc137422c98ee771015ca680db65dd31' 
  AND (
    token = 'P6Zj7wdbO2hrfDQbvHgDD96vtJWWc4uybSP2Nc3NLck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )