UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h9rCpcjd2mhK94qpsQdWr2tQr5hzyJDuBUeLWnGbq2w=' 
WHERE 
  key_id = '5a6ed15b5b31bd925a0b4836db6a530359c911730cabeac679ed032843e13889' 
  AND (
    token = 'h9rCpcjd2mhK94qpsQdWr2tQr5hzyJDuBUeLWnGbq2w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )