UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tsGhjwA180XDbWJTyLUPVr8C8HWppWGmquN4oXuConM=' 
WHERE 
  key_id = '6294ce7d4c26c1a64af30fa0b574871e3c9c06f76e823a98e7a717b01ad74729' 
  AND (
    token = 'tsGhjwA180XDbWJTyLUPVr8C8HWppWGmquN4oXuConM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )