UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRD8Goo9H1X+CpLuPBtpNRNQiMNR2Ty4btfyLIrh6uE=' 
WHERE 
  key_id = '2fd43158faa45ce3c1e735081c04be03bca5fb20acbcde817e79b8d088d3e68b' 
  AND (
    token = 'MRD8Goo9H1X+CpLuPBtpNRNQiMNR2Ty4btfyLIrh6uE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )