UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7GlNvWXkQXUA4Ojup6Na/cvq0CkmmbRMFaOSvYQtLE=' 
WHERE 
  key_id = '9957a6f6bce8c1f3a562bfa88fbda7bd7290125cb37103063faf8b3bda392d94' 
  AND (
    token = 'b7GlNvWXkQXUA4Ojup6Na/cvq0CkmmbRMFaOSvYQtLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052