UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nPtfdyHYTEhx+Itmu/QL6Atss4j97fBRnIb18gBQ+Zw=' 
WHERE 
  key_id = 'f6cd0d32e65245e8583d291eefe2f761a3c86f696d660e8128bce9718fe3e371' 
  AND (
    token = 'nPtfdyHYTEhx+Itmu/QL6Atss4j97fBRnIb18gBQ+Zw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )