UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ukQculKcg0DmlyYZ3oLKPKTSLXsRJmvoGQSivn3NxdQ=' 
WHERE 
  key_id = '75f8d7c5684fb529947d2f01cd020db6e48fc53a5b1e90dd7f402d86ab551f0e' 
  AND (
    token = 'ukQculKcg0DmlyYZ3oLKPKTSLXsRJmvoGQSivn3NxdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )