UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znlF9jz08uIF24BSr9LJWtw5QNPM0GjeHpdWNxatCPA=' 
WHERE 
  key_id = '7a39a51634efb5986255a15d800e1cfc8b2dfb53b13722987a4d665b78b6fc09' 
  AND (
    token = 'znlF9jz08uIF24BSr9LJWtw5QNPM0GjeHpdWNxatCPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )