UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6mrAoqhxjet/tWFUwVPFzn4chJmRrlbDUTyBEuZYHY8=' 
WHERE 
  key_id = 'a521f7939f6b92579958ac226f6aa0e3a3cec49416847183fce79ecccdf8823a' 
  AND (
    token = '6mrAoqhxjet/tWFUwVPFzn4chJmRrlbDUTyBEuZYHY8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )