UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Im/7tNRWQUpdrAj1vVUKyEpE7/LO3CINpatJAZ83DYM=' 
WHERE 
  key_id = '51a734971c810f5c893c0ddd990719a33f905e1482eec9f3635f3e7b207850d1' 
  AND (
    token = 'Im/7tNRWQUpdrAj1vVUKyEpE7/LO3CINpatJAZ83DYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )