UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5USuClciLxrQ16yiQ5izY9fOAMp6dLDQRcrhzKjM0uI=' 
WHERE 
  key_id = 'c74598e5bafdb32028f4e1da6814606c150feea0e0bfcb125d22c2ea86a86ee0' 
  AND (
    token = '5USuClciLxrQ16yiQ5izY9fOAMp6dLDQRcrhzKjM0uI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )