UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q6VUmpSLxojntYpUpFYay+Q9H61aKl6k1chaXD1w0ik=' 
WHERE 
  key_id = '2e886d8e3da1b4909139dfffd9681338283129a6e4a2c8c25610913a757c2304' 
  AND (
    token = 'Q6VUmpSLxojntYpUpFYay+Q9H61aKl6k1chaXD1w0ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )