UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DJgRSxCgPMQ/ipS/4mmrkmS4kfE/Z8c7R56AaALwjRY=' 
WHERE 
  key_id = '6e51299b2d9a05f0c3e857e42086c35beaebd192395925362477f14e775a47d3' 
  AND (
    token = 'DJgRSxCgPMQ/ipS/4mmrkmS4kfE/Z8c7R56AaALwjRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )