UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a//aqXVaFYe5wwOErACLmALaKooM6W/icUkbFXgI9Tk=' 
WHERE 
  key_id = '1be53f6e90aa40a499c4cf6968b6f0f424da43330f0f7114e8559af497e32252' 
  AND (
    token = 'a//aqXVaFYe5wwOErACLmALaKooM6W/icUkbFXgI9Tk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )