UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6fNL8VnKakubfvVhbs5/TlcGL1SQRo8N5GrSRUFfVs=' 
WHERE 
  key_id = '8e1aa3d8d8ffc2f9ca65c27e4cf6eef3d819b52564c7a01c87daf58a348036a3' 
  AND (
    token = 'u6fNL8VnKakubfvVhbs5/TlcGL1SQRo8N5GrSRUFfVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )