UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QMVqay6uFCw1u+rNsToPwz0KscqFXZoO+fVBIeF/HJQ=' 
WHERE 
  key_id = 'a9e545d859f2e97da0797f4f48f40b80e0ad2e53fde98c1283c2821486b13337' 
  AND (
    token = 'QMVqay6uFCw1u+rNsToPwz0KscqFXZoO+fVBIeF/HJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )