UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g+Yf3HHW99NSreVpN0gUjyn8lQ3Baoeb7QtDscTaPCg=' 
WHERE 
  key_id = 'd02c10e490b677f5d8540711fd3e3f08019a43dd855be28a6b68aa7bfcb83baa' 
  AND (
    token = 'g+Yf3HHW99NSreVpN0gUjyn8lQ3Baoeb7QtDscTaPCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )