UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fh7WLOarCNN3RLmGsYX+RahxX6OZMOb2kYTLDDSESkE=' 
WHERE 
  key_id = '502a0b5070ed982dc9292667418e2e510686aa1626bc32b5ea3a58c6e277acf9' 
  AND (
    token = 'Fh7WLOarCNN3RLmGsYX+RahxX6OZMOb2kYTLDDSESkE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )