UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WUx1tC7meEualQymWDbfvy7XMmhb9bkYLBfkHQLxSRc=' 
WHERE 
  key_id = '37504b89fa791731311b157715525dafbffed3c73cc4177f794de78e9da1b8a5' 
  AND (
    token = 'WUx1tC7meEualQymWDbfvy7XMmhb9bkYLBfkHQLxSRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )