UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'un005PTYJsJFWwGS/L0B5wQ5Ryv3Xm/hxPk3F4Edgf8=' 
WHERE 
  key_id = '498882ff4c0551e14ab89777cc928aebe7f6ec665f24b8c4400a982b9ac3fa16' 
  AND (
    token = 'un005PTYJsJFWwGS/L0B5wQ5Ryv3Xm/hxPk3F4Edgf8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00014