UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zGM/KUhGwaclnA8de/ydaD77PpA5Ar2VROh9hsBO2ew=' 
WHERE 
  key_id = '50ce5ce986e443406e8249a0e3ebc0793b270639d58a107bfeb8961149adba04' 
  AND (
    token = 'zGM/KUhGwaclnA8de/ydaD77PpA5Ar2VROh9hsBO2ew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )