UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YP+vstsrjbDVgRsUOS4qLWgVzb6Z0cSu8PEaq9cS/uk=' 
WHERE 
  key_id = '6ca4ea418105ec6049ae3d3160be49de886109ab510d759920ecbdc35a62582b' 
  AND (
    token = 'YP+vstsrjbDVgRsUOS4qLWgVzb6Z0cSu8PEaq9cS/uk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )