UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QpLjnjDUjwwLAJVBBlTx/0GgqH8vU2DVL3ry6bg9ow0=' 
WHERE 
  key_id = '38e34ef5388493bf072c509958f92c1d7a8919acd68a10650b0aa60149a35061' 
  AND (
    token = 'QpLjnjDUjwwLAJVBBlTx/0GgqH8vU2DVL3ry6bg9ow0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )