UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+4MszmWfkzfKgwtKLioY51NkZVNE7L245dpj496ynhc=' 
WHERE 
  key_id = '955b442301ebbe077c7c6c2f347f0fbfccfc916df2b38e982143acc950cb0aa9' 
  AND (
    token = '+4MszmWfkzfKgwtKLioY51NkZVNE7L245dpj496ynhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )