UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gj5RKL4XbjFQXO6lRTSGjLooReb9PK64DtfZpH2/uh8=' 
WHERE 
  key_id = '21d98dcff233b078f58d731f327ba141b8758eee72e08e48c76062a6b46140ba' 
  AND (
    token = 'gj5RKL4XbjFQXO6lRTSGjLooReb9PK64DtfZpH2/uh8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )