UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DrpwtWM5xiUs4GXIk4NzFoCiXejL+XEwe2DqJv9xKGc=' 
WHERE 
  key_id = '941a127f79b7320df08feb5dc080f01ea927692553086e3374a1038aa94913c7' 
  AND (
    token = 'DrpwtWM5xiUs4GXIk4NzFoCiXejL+XEwe2DqJv9xKGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )