UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iZ2OjCJ/gTMQL0fLXVDSZCozdTysp0L5YUxJVyAPaao=' 
WHERE 
  key_id = '5c0857f93c50aa7f2c99554216d56d55873eee83ffeb62e062b04e0fa0324840' 
  AND (
    token = 'iZ2OjCJ/gTMQL0fLXVDSZCozdTysp0L5YUxJVyAPaao=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )