UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PvjyufKZvd/eadn8pZFX3J9vaOGfKuPinSri/BTxPto=' 
WHERE 
  key_id = '951e71ca2510a02832b5817e56262e01734c054228638591a8cc9198406e9678' 
  AND (
    token = 'PvjyufKZvd/eadn8pZFX3J9vaOGfKuPinSri/BTxPto=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )