UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x+HDnVJmFjJ379nEaQxPkfGHtshuXUPrSKxVTA49RSc=' 
WHERE 
  key_id = '4fc4c7040d5ea9983e49b8ed0e8ef023d9d03bce8e03435fe53342c87386d1d9' 
  AND (
    token = 'x+HDnVJmFjJ379nEaQxPkfGHtshuXUPrSKxVTA49RSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )