UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CemijLQdX3NmQ+WuMlmwUU4EJoIn1a+1ZZ7hw6es8lU=' 
WHERE 
  key_id = 'a009429722bffb508c8904e85205e7924d04e2e30e81448cd1e457f9c76293d9' 
  AND (
    token = 'CemijLQdX3NmQ+WuMlmwUU4EJoIn1a+1ZZ7hw6es8lU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026