UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SMlTuhxIOYawZfV1bFYDIAhbvTtHR0vWoBeO8T51hsQ=' 
WHERE 
  key_id = '16bd6de91952207234f1ae7bb24c4d1722f22afb69814672f513500a4989cfe7' 
  AND (
    token = 'SMlTuhxIOYawZfV1bFYDIAhbvTtHR0vWoBeO8T51hsQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )