UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wuNTjJ3oJeQxpU5GJOCY2SFTFgKW1p/ySkqs6n4iMzA=' 
WHERE 
  key_id = '54e1059ed597a045676dadbdd5d4cd2d4e85641fcc6006a477f258a3b7696734' 
  AND (
    token = 'wuNTjJ3oJeQxpU5GJOCY2SFTFgKW1p/ySkqs6n4iMzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040