UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N/okpcwqlmNg6D1HDGb/Vx90msigCYoNy8gRmwHnYso=' 
WHERE 
  key_id = '87bc99bac15c0fe54a4dc9780ee973e19fd19922b1520c413100852fc58be671' 
  AND (
    token = 'N/okpcwqlmNg6D1HDGb/Vx90msigCYoNy8gRmwHnYso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )