UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w3H6p6fe8Zm4nnAatGEkozBNZajzoL50axGBKcdBLZI=' 
WHERE 
  key_id = '21f0550da4a2c022d5984956c3de1fb6ff4f3851b5046e9b2e916274bf024c6b' 
  AND (
    token = 'w3H6p6fe8Zm4nnAatGEkozBNZajzoL50axGBKcdBLZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )