UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RdEp3WHiVcyvlutvch7r94guo5dOXyTZMAC4E920aWE=' 
WHERE 
  key_id = '03ef0bd70a96775fba96dc751e866e1014c86d8515a60c635f4fe342b7c878b8' 
  AND (
    token = 'RdEp3WHiVcyvlutvch7r94guo5dOXyTZMAC4E920aWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )