UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UselreMaIJlDLdBU/r84oGp1i7PvPdmeRxtRmtpP46Y=' 
WHERE 
  key_id = '6940905eb6bf7a3831fca0edcf306a704336ad1b7d3a6dc8fd27585fe6dd597e' 
  AND (
    token = 'UselreMaIJlDLdBU/r84oGp1i7PvPdmeRxtRmtpP46Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )