UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kMvOkU8+3m763ML+eXqpNFtLVqaulAQCwViH8DaNjr8=' 
WHERE 
  key_id = '16fca62e48be4f20e56e1159b7656061087a43169757bcfacb54ad6f30433395' 
  AND (
    token = 'kMvOkU8+3m763ML+eXqpNFtLVqaulAQCwViH8DaNjr8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )