UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VeO4rEGhoCgFYC27oDRz/BkolJOqkFzBZoGUkddAxf0=' 
WHERE 
  key_id = 'e6d05846b3046457c9bb9be6359c1a2adcf4d524f970c84af024dbd3f0757000' 
  AND (
    token = 'VeO4rEGhoCgFYC27oDRz/BkolJOqkFzBZoGUkddAxf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )