UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PP7l6hzyRhf8n/XEREPn0D/tqsY14e13Z+cOPiTGIB8=' 
WHERE 
  key_id = '8083936fc85fe6a7a50f8c70e857f3064676b52c776866f18ad363b1bebc6680' 
  AND (
    token = 'PP7l6hzyRhf8n/XEREPn0D/tqsY14e13Z+cOPiTGIB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )