UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b/4o7LAPmti1FbaJqN6rN09HBc0vqVTwTdT0MUzzEXk=' 
WHERE 
  key_id = '6780e0b2ef7513912bbc055b3b85a06bc879b1422e85edf962d2dfa4760e8051' 
  AND (
    token = 'b/4o7LAPmti1FbaJqN6rN09HBc0vqVTwTdT0MUzzEXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )