UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Si4Ccp7n7PVWNkm3sNo/cCbsVyRmVSB3rNIE82kGLXg=' 
WHERE 
  key_id = '8452ce168fa4406752327c30a63f4f69f71b7552c76f6ca2f84638a37b1c5989' 
  AND (
    token = 'Si4Ccp7n7PVWNkm3sNo/cCbsVyRmVSB3rNIE82kGLXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )