UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I6+buj4Ppl5XG2BbvBJOc9k6FLYmPNW877XQKBn0KWk=' 
WHERE 
  key_id = '6cf3e1cdabfcaaab3441bb6a053d0cc87588b130361f84b6c12a40e78956c8e3' 
  AND (
    token = 'I6+buj4Ppl5XG2BbvBJOc9k6FLYmPNW877XQKBn0KWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )