UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mEc+s+22pNtAFZj8tlyCEJqCAmnJrVYwGJubRJ2nQeg=' 
WHERE 
  key_id = '803d5809f136ab4f5bfee7dc4120c7df8d77ff017564a8ab6ede063c84457b2a' 
  AND (
    token = 'mEc+s+22pNtAFZj8tlyCEJqCAmnJrVYwGJubRJ2nQeg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037