UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b80vn75E8pSDstqq8epAOxm7IRBv35sdsP9nqyK3r7Y=' 
WHERE 
  key_id = '4dc9f09256f33c0defd2c6ed2dddd375a8699173d7a809609caf1480e2b9df8e' 
  AND (
    token = 'b80vn75E8pSDstqq8epAOxm7IRBv35sdsP9nqyK3r7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )