UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ljEPxImWjFJCd9R7brNQ0uJAs6q4z/cGlmvUT8NUgH4=' 
WHERE 
  key_id = 'ac68cb134ad815f5c86287d2e1bafc4fe256d26dde0eb8c85de920a172bb3265' 
  AND (
    token = 'ljEPxImWjFJCd9R7brNQ0uJAs6q4z/cGlmvUT8NUgH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )