UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkedKkKQLNQX2yAOn3SicKM6fP4NnMslYnhTdxFLOOU=' 
WHERE 
  key_id = 'e03508de947860388bc592039f64f4b9390aee591265ee5546da42a610614ef7' 
  AND (
    token = 'MkedKkKQLNQX2yAOn3SicKM6fP4NnMslYnhTdxFLOOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )