UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u+Sq4Lib1skadX/6JKUGiXcNdO+6UTlASFGBk/nGokk=' 
WHERE 
  key_id = 'b12136ec039e84d8bb1ba946bfed76d44dab41d601e1f0ef853afbb0f3c00449' 
  AND (
    token = 'u+Sq4Lib1skadX/6JKUGiXcNdO+6UTlASFGBk/nGokk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )