UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PUJ+G4utoHJyyF+jv03tGXDrsTdys5WB4gXwXFz0noY=' 
WHERE 
  key_id = 'b4a0635ae5fa16ac5afc831f46c48d391a27d5dba8045f7da0723d366b49d17e' 
  AND (
    token = 'PUJ+G4utoHJyyF+jv03tGXDrsTdys5WB4gXwXFz0noY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )