UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '9BdoBzKEXHVNwGRjp2c6q7+8EGRNfDUDrqrAGHsRYko=' 
WHERE 
  key_id = '6e7aa1c58e0fb87585f81888b439292bfd29c4de2ddbbb9cb089c0a7efced284' 
  AND (
    token = '9BdoBzKEXHVNwGRjp2c6q7+8EGRNfDUDrqrAGHsRYko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )