UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'afhd7VDNJZVtoTGG2FlseEKq7HNKNxAfZGKfEEXSwUI=' 
WHERE 
  key_id = 'a80b87fa44782aa20eaba10d322c6cdfc6de814ae8a3d1a9f6d7d38a3b27bc0e' 
  AND (
    token = 'afhd7VDNJZVtoTGG2FlseEKq7HNKNxAfZGKfEEXSwUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )