UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'whIRQ/qoSmrxzYW/alHrDhQkavrarLxul7FPtZAA4/I=' 
WHERE 
  key_id = '1c9bbd0a4d6d6f6e87f6f3c326ae000786807f30089ee96fd7d0c3bfcef9c759' 
  AND (
    token = 'whIRQ/qoSmrxzYW/alHrDhQkavrarLxul7FPtZAA4/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029