UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'saEeoGv7XtQjajiMXxViSsRBxBagvix9EdbdcNyPlzY=' 
WHERE 
  key_id = '978a20f541f6cea7f68331f548fc8fc9717c3e6d997f31c73d5e2df5e58a94a5' 
  AND (
    token = 'saEeoGv7XtQjajiMXxViSsRBxBagvix9EdbdcNyPlzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )