UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd4SsfjY3vg0PY5OgcYKdEc4gXxF4pRpMaJ0gAu7vHJs=' 
WHERE 
  key_id = '91d5e76399800855e1046b6050d6c9f24a60f955af640e798e29d40295e37be1' 
  AND (
    token = 'd4SsfjY3vg0PY5OgcYKdEc4gXxF4pRpMaJ0gAu7vHJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )