UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRsH46Zi3LfwqnHhpGzsXpla5Qw1Hk5b4wHEAGFVwJk=' 
WHERE 
  key_id = 'a2c68d985a9041bf246991b1c94f428f629b7a90916702a80fe1ada3ce8d0dc5' 
  AND (
    token = 'MRsH46Zi3LfwqnHhpGzsXpla5Qw1Hk5b4wHEAGFVwJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )