UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xARwPMQYz/Mi0SSiDu+NhsfddFk0F4GyzrTQsC7HcDA=' 
WHERE 
  key_id = '7ea6e4712ca672e5bd8d0a7cee7afdc421e3f059b4837f3270d77b36a561ee1b' 
  AND (
    token = 'xARwPMQYz/Mi0SSiDu+NhsfddFk0F4GyzrTQsC7HcDA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )