UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n5UAyIq7KOui0r28EnnvDYmmiNfT7kH1ki33r0oxDqE=' 
WHERE 
  key_id = 'dfad6dc1477b88a73fdd477e676738268d75a9891e9c82a3187643051d4312f5' 
  AND (
    token = 'n5UAyIq7KOui0r28EnnvDYmmiNfT7kH1ki33r0oxDqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )