UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vNS+9BiIYhSbUVK6y9Z9zf/SP82nE1QL3lhVZyUhSS8=' 
WHERE 
  key_id = '736c4670848c3ca9c5a18d47bfbd171d03f2b38e907f969250540af635790475' 
  AND (
    token = 'vNS+9BiIYhSbUVK6y9Z9zf/SP82nE1QL3lhVZyUhSS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036