UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm2s60s4G1RvMFsKAnvaXEvX0qLQWjwngW3N8d+1QdkU=' 
WHERE 
  key_id = '51647240192bf32b85b0971eb02b588e0aead5ac9fe4d0c4e18454b38b7054cd' 
  AND (
    token = 'm2s60s4G1RvMFsKAnvaXEvX0qLQWjwngW3N8d+1QdkU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )