UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R7pgSzoxCFzOsr26UII9A+WKYjS/SqRTavdNKtBqy94=' 
WHERE 
  key_id = '68ec08c8811879b67686c9cab4d960a761618753eafd3dd102c300de59ad529b' 
  AND (
    token = 'R7pgSzoxCFzOsr26UII9A+WKYjS/SqRTavdNKtBqy94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )