UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4fWWhdY+kQCjdn4LdArvgHHYwr+AGPkVPGKjNhhLEQ=' 
WHERE 
  key_id = 'b68becf17316d94e4074b8b69d5783462096f28aa0d14051ff48122e6839bb99' 
  AND (
    token = 'n4fWWhdY+kQCjdn4LdArvgHHYwr+AGPkVPGKjNhhLEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )