UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5YxOx+ieJ503MVoI1rvo3BksqZyxLiDHh9/Kx4AxTi0=' 
WHERE 
  key_id = 'b6c2a957c5f07620274b089b9da63027fdb2049434d2dc6b04f289ed3260d974' 
  AND (
    token = '5YxOx+ieJ503MVoI1rvo3BksqZyxLiDHh9/Kx4AxTi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )