UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xyDFJKzMr7AXLfekQszChGghj//Pa+TN4cv750jg/GE=' 
WHERE 
  key_id = 'dff6b916f23a7bf48183f9b74556563169f2942e8e1c10bff1790e8aa85004f1' 
  AND (
    token = 'xyDFJKzMr7AXLfekQszChGghj//Pa+TN4cv750jg/GE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )