UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6nGcK84uzB6RgLIDa5i+J0cTOapTezNRbZDtaMI5vSA=' 
WHERE 
  key_id = 'b4d9f4c931a81964e4cfa50d5d69511b81d8b71d1a16a3c58fc534d6ae1e9375' 
  AND (
    token = '6nGcK84uzB6RgLIDa5i+J0cTOapTezNRbZDtaMI5vSA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )