UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yZx35zjLXvN0qe3EWx3kBEUpFMDhHqcpQwlSYasfpSM=' 
WHERE 
  key_id = '2594fb648e2ffab1c5990edf0db66ca2dd20374847b7b67c1b166fb3279f530d' 
  AND (
    token = 'yZx35zjLXvN0qe3EWx3kBEUpFMDhHqcpQwlSYasfpSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )