UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jZqR+zj3wH8PIRQYgL/4qPuC9pQLHr9KuFPTJViWmj0=' 
WHERE 
  key_id = 'a97f5f0dbfb857477a2bc0ad73fea101509c2d61596e250386370e36c815e59a' 
  AND (
    token = 'jZqR+zj3wH8PIRQYgL/4qPuC9pQLHr9KuFPTJViWmj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027