UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kqb/S0g5a9sojxAaD4NFjpGYougdF23OTwkhU29Ic0A=' 
WHERE 
  key_id = '4b6bec7336d2e82633554cb96f09591721a289458f855fdd19b8d873df20dba9' 
  AND (
    token = 'Kqb/S0g5a9sojxAaD4NFjpGYougdF23OTwkhU29Ic0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )