UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xT+dOyhzTGshWGjRi3Gm7avyk7xPCB1GFCoALimb8pI=' 
WHERE 
  key_id = '97837850098e7e81c450107d342b45ee641da025432273bfe00bb3faceeb36c3' 
  AND (
    token = 'xT+dOyhzTGshWGjRi3Gm7avyk7xPCB1GFCoALimb8pI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )