UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h6FJQvLZTLuX0d3rynespd6Hz72xtCknNWrwD9HqXfo=' 
WHERE 
  key_id = '50d59c18405e4946838fe539fd1a7bb7569d2cb02969f77baf49b966e0202efb' 
  AND (
    token = 'h6FJQvLZTLuX0d3rynespd6Hz72xtCknNWrwD9HqXfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )