UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sbsh5Qh8z0MEQBGVcXyhS+mMEM5o4CxUzC8X/bRruOs=' 
WHERE 
  key_id = '1b25b5e249261058c15da7d443b7ed13d3d0d1b8fe6d1cc4c4cc2dd2355826db' 
  AND (
    token = 'Sbsh5Qh8z0MEQBGVcXyhS+mMEM5o4CxUzC8X/bRruOs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )