UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PBMJK+77TCaAracZ5jw/WkrUCGUGiLWZQpr0sNtRk20=' 
WHERE 
  key_id = '2af93de68622234c9cad1c8d0165b0cb439847a08da417e618dd3fe53a6207be' 
  AND (
    token = 'PBMJK+77TCaAracZ5jw/WkrUCGUGiLWZQpr0sNtRk20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )