UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DrGWTdByu1QdYAx8qoRC5C78yXn3iCU9j1+H7UdItUw=' 
WHERE 
  key_id = '21157291dad9600338a45f65e2e806b942b2869121af2381596de9fe6b365bc9' 
  AND (
    token = 'DrGWTdByu1QdYAx8qoRC5C78yXn3iCU9j1+H7UdItUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )