UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Bc7bcu8I4FW7PGYf7z3iu2jU6Lg34dJJiiEJFceFRg=' 
WHERE 
  key_id = '4e08758dd7c2dd5c18b7e6357020b15a664a1adf19faa9a543efc1e90ae63030' 
  AND (
    token = '3Bc7bcu8I4FW7PGYf7z3iu2jU6Lg34dJJiiEJFceFRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )