UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1/+S/LukKDfafrHhcUUCo3WGeXiTbYG1pV+L0ErRpew=' 
WHERE 
  key_id = '68d6c676bd3b61d10a9d97bf118e211b179e5a774090a027293c0aa7b701b39b' 
  AND (
    token = '1/+S/LukKDfafrHhcUUCo3WGeXiTbYG1pV+L0ErRpew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )