UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LMilVHHhV4vZgNGfBEn7aYXv4EqtpZRlgkevjNmyoSw=' 
WHERE 
  key_id = '93d2e17104750bca1027aa8cf211df2164f15efe271a303734cc970b037cac2d' 
  AND (
    token = 'LMilVHHhV4vZgNGfBEn7aYXv4EqtpZRlgkevjNmyoSw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )