UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c6MHfwopc4zypy5wM/wSGaqCCZgKQAPTJmoGeKnGSOk=' 
WHERE 
  key_id = '7078e869229108aca1abe17e9874f83be391d0c28aca283e4d8b9984274b1f68' 
  AND (
    token = 'c6MHfwopc4zypy5wM/wSGaqCCZgKQAPTJmoGeKnGSOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )