UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'casDpXWeqBObOy3meFCHxtpA1NTOIqYfJzYL3StNVTE=' 
WHERE 
  key_id = '18b0519d51231c65925e78090900219d39729d2728dcb8eb12dde0a675bd0a98' 
  AND (
    token = 'casDpXWeqBObOy3meFCHxtpA1NTOIqYfJzYL3StNVTE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )