UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ljFX9rMTFFTDAwgvhzCS7T7cItLNQlz8flq536CfxGc=' 
WHERE 
  key_id = '2b60d431d0c53278890e4ddd952c7a9734c4c1a37fe0327e3c50400746778b2d' 
  AND (
    token = 'ljFX9rMTFFTDAwgvhzCS7T7cItLNQlz8flq536CfxGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )