UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MsK9I8xKUCHSa66v88w9ZZ/pRa4kW7MFTcm+tKkt6es=' 
WHERE 
  key_id = '791494cca6b1c06c3ee175a8ae972c6a0fc00c56ce2c967056eade777e401e70' 
  AND (
    token = 'MsK9I8xKUCHSa66v88w9ZZ/pRa4kW7MFTcm+tKkt6es=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )