UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dvbV/Wx8r1Ix5JCT30ZL2IPdzus2NxzMnkdv+sW2UdY=' 
WHERE 
  key_id = 'e6c6e279e7226893e282310037aae95a0285659f78a0151913e0ba138c4fb211' 
  AND (
    token = 'dvbV/Wx8r1Ix5JCT30ZL2IPdzus2NxzMnkdv+sW2UdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )