UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MicZo2IXFboT6CK2Z4YooZIZgrQVj4GS4u4XWb5I+V4=' 
WHERE 
  key_id = '91904fd4826fb502adbdd45b56d30e3d2b3d0b305cbbcc88af0222b20f535ac7' 
  AND (
    token = 'MicZo2IXFboT6CK2Z4YooZIZgrQVj4GS4u4XWb5I+V4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )