UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bk3dpZG0AQRZjda4TWFGEv1QEvD+0hbciSNtj9QtziU=' 
WHERE 
  key_id = '5ca391ae85775fa684d1c77a046a51ae2003751a86c1cb5314a0a779671679b6' 
  AND (
    token = 'bk3dpZG0AQRZjda4TWFGEv1QEvD+0hbciSNtj9QtziU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )