UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PzSF+lbUMmJ1TbyNQx3qeP4cEs8VTRp30tGDrUNSMG0=' 
WHERE 
  key_id = '435e4205ddb6d9ca020dfdcb7b6356958b2767b6662f6e13a3668acc58cb08a1' 
  AND (
    token = 'PzSF+lbUMmJ1TbyNQx3qeP4cEs8VTRp30tGDrUNSMG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )