UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/PdXvXIEgkC8axDNtGsQOgP9vqRm2zkrLUF5rgvEsk0=' 
WHERE 
  key_id = '5899ca6258a262c27a8a72c48a7efb0701511aaf907f88458b00972cfa8936b3' 
  AND (
    token = '/PdXvXIEgkC8axDNtGsQOgP9vqRm2zkrLUF5rgvEsk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )