UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'HRztXn7Wd5a7q21mpqUBbW+z7+Hl1sk5MCB9pJ+LvrY=' 
WHERE 
  key_id = '1b002a078bd6089aa867ce669bb34afa9c0c08f0ed51ae5098ab0751f8db7743' 
  AND (
    token = 'HRztXn7Wd5a7q21mpqUBbW+z7+Hl1sk5MCB9pJ+LvrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )