UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xxr9e3/vahkVUESPnS6yXVWTHsU2wtcelElaBYMcJtU=' 
WHERE 
  key_id = 'fbb74a980c499e41b1b1840b1ca803d3bdcdcc21f84d26cd8853f4d6e72d1077' 
  AND (
    token = 'xxr9e3/vahkVUESPnS6yXVWTHsU2wtcelElaBYMcJtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029