UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7QN4RM9mn2c00rspTKqnxKX9K+67IJKmifWLEL760to=' 
WHERE 
  key_id = '4777dffd87107b2e481cdd2336e745b942d4020bc74c99713b16914f6a6cf450' 
  AND (
    token = '7QN4RM9mn2c00rspTKqnxKX9K+67IJKmifWLEL760to=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )