UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHCHEbYCACm5xLKXfFUBEqKho+YqVON6YmTGEAuNC6c=' 
WHERE 
  key_id = 'a84847c7c1731c83034c0dd6f32952ee42aaf97b3ac034511422ad1d54532530' 
  AND (
    token = 'MHCHEbYCACm5xLKXfFUBEqKho+YqVON6YmTGEAuNC6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )