UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PC6GqS39aeBfU3t4PKcL5hhrXp+9MThgfxdKG7gQwME=' 
WHERE 
  key_id = '6e83088bf493452f2378cc5ab54da021f15254cbf0375216be415a81a87e6223' 
  AND (
    token = 'PC6GqS39aeBfU3t4PKcL5hhrXp+9MThgfxdKG7gQwME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )