UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kp//PQu9BbF7ty3OxnVcjzGuw7wxsppUQX34bDTO9yc=' 
WHERE 
  key_id = '11d1d3ed69190d76704837cffad45d08bf364cf54168682b8db0b053ac9648f6' 
  AND (
    token = 'Kp//PQu9BbF7ty3OxnVcjzGuw7wxsppUQX34bDTO9yc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )