UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zO+953pAozc0Hss80Aq/qPaUhqjh1QNcIgzbfB2v6VE=' 
WHERE 
  key_id = 'a21939aa6a3ae440028460f0310e285851c6eff2eb87bad613c369c0184146cd' 
  AND (
    token = 'zO+953pAozc0Hss80Aq/qPaUhqjh1QNcIgzbfB2v6VE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )