UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FO2m0erUjtCOVN3kU5fIrBTWAh7ujrl/dpDTL8afZuo=' 
WHERE 
  key_id = '50e8d644d7436cc3f5177f99509520df329c211195b0b868cfa4da4e0581cea4' 
  AND (
    token = 'FO2m0erUjtCOVN3kU5fIrBTWAh7ujrl/dpDTL8afZuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )