UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DWEVydVTUd43EPtXRqnr3f0TYGgiUro7s0fUFSWExiU=' 
WHERE 
  key_id = 'a593fbd9036d5e51a317638c60efaf665c4c8aafda7db6f015562321b263a6f2' 
  AND (
    token = 'DWEVydVTUd43EPtXRqnr3f0TYGgiUro7s0fUFSWExiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )