UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6w6hE7EZgBB/ZqgLGRUQGLl/t+mYe35i/MFSH/AE/R8=' 
WHERE 
  key_id = '81c26772b0c4f904d0d6bf962a85810fce9e3fe77dfe4122d935861ad9f02ce5' 
  AND (
    token = '6w6hE7EZgBB/ZqgLGRUQGLl/t+mYe35i/MFSH/AE/R8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )