UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c1dFmENjbUcsTrtkG4WKNBay4PqA+4GJNrKBCQDtFNc=' 
WHERE 
  key_id = '9d8c7687a0419e9f9312e4f0af8b108273b85b812c6f00959af74921edee3a03' 
  AND (
    token = 'c1dFmENjbUcsTrtkG4WKNBay4PqA+4GJNrKBCQDtFNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )