UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7akD/58TuevlleaAxfUuEq3vn5AZecHU088ItjKrqI=' 
WHERE 
  key_id = 'dca1d86276b6480358369c8325aaa7f85192d58bd233bf7fc7c59f69f9496dc4' 
  AND (
    token = 'b7akD/58TuevlleaAxfUuEq3vn5AZecHU088ItjKrqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )