UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd1sAw16s4vrCkXj1kG/6E3WcoorzWpcCku0A27gfVSs=' 
WHERE 
  key_id = '793971ac80a9f164af9dd21dc8827eb499cb89931f97edd575fbdf51c0f050b3' 
  AND (
    token = 'd1sAw16s4vrCkXj1kG/6E3WcoorzWpcCku0A27gfVSs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )