UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kUeACCZTO9Lzp0zFBnwpZuBAjOhntRYzhtcT3Rv0XNU=' 
WHERE 
  key_id = '21fa34f038b672b393599f40a21b878a8aab2245c592068e32b0fd717e9101c3' 
  AND (
    token = 'kUeACCZTO9Lzp0zFBnwpZuBAjOhntRYzhtcT3Rv0XNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )