UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4kRPaf8Y8ypbme4qTkS6ASKEqZyT0ugIPCVNs031vEw=' 
WHERE 
  key_id = '16fa6f4d41ecb533be0b86e91156c09cb679ab8e023fd62e96a4c2982f73d37e' 
  AND (
    token = '4kRPaf8Y8ypbme4qTkS6ASKEqZyT0ugIPCVNs031vEw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )