UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4rUfZvi8gyDsgsVFrPF4iXZMbDeu4RKG7i91R1sgW90=' 
WHERE 
  key_id = 'b77e85b99e31c4d96a7789e006012051f9dd7e1df66209f699ab85967094b3f5' 
  AND (
    token = '4rUfZvi8gyDsgsVFrPF4iXZMbDeu4RKG7i91R1sgW90=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )