UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4SmufCJExJTpfQn7EzWtohwmbZZhe4pV28dTsFCuBg=' 
WHERE 
  key_id = 'b9be82b66ffff503a9ca29412bdf26197609f5aca12d01f0ece6e338bfef6e83' 
  AND (
    token = 'u4SmufCJExJTpfQn7EzWtohwmbZZhe4pV28dTsFCuBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )