UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U0a6ni/2x7D66dWxRsMW2pRwS+jkci6AF0zuWlamAOc=' 
WHERE 
  key_id = '8d501e53e560597b88a87ded09d50e28386fd16e6feab82b86d7e52904392011' 
  AND (
    token = 'U0a6ni/2x7D66dWxRsMW2pRwS+jkci6AF0zuWlamAOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )