UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K1PEIWG9YJdYbRUTnVpt2CUMu1I5oiLjDAhm0FEHxiM=' 
WHERE 
  key_id = '68b0ffa18af703c808ed032447ec4314c471c7b9ce46f858efe5ca638314fb2c' 
  AND (
    token = 'K1PEIWG9YJdYbRUTnVpt2CUMu1I5oiLjDAhm0FEHxiM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )