UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+VMQSRF93x+YkE6SbA8YYDmnLFBi+ZxCUtHJMjC7ddY=' 
WHERE 
  key_id = '1b7c438462631d97a801b281c88a8a451379f6bc9bb0bd4b1194b7844cef33e9' 
  AND (
    token = '+VMQSRF93x+YkE6SbA8YYDmnLFBi+ZxCUtHJMjC7ddY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )