UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zzzEALWmUCp4JqiIpjr0G30eXMKWMXN1fHICQZpWly4=' 
WHERE 
  key_id = '15c9459b8bb18e6b611f491f31120ac834503b21c3673389e527eb076541f3b1' 
  AND (
    token = 'zzzEALWmUCp4JqiIpjr0G30eXMKWMXN1fHICQZpWly4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )