UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RVrBTUmE1nuyVZRZHS9LiVC31xtI2g293DBFm5EURBU=' 
WHERE 
  key_id = '501996eb074a2de8de8a3212cd32c8cc26499b1aa9bd9aa88ae90d75ec6d524a' 
  AND (
    token = 'RVrBTUmE1nuyVZRZHS9LiVC31xtI2g293DBFm5EURBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )