UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VG6rE1oFu2+xqiGl2rinPbxqgmG0ROIKYMysf3gEkvM=' 
WHERE 
  key_id = '4596d234a36d9cbce5200fe7f1ff8844ed64089c535790848a18163396bda56b' 
  AND (
    token = 'VG6rE1oFu2+xqiGl2rinPbxqgmG0ROIKYMysf3gEkvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )