UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'M8bx4JgLoPhRPHoiw60eMgqL2ArNoFFjQMnAps8L7CA=' 
WHERE 
  key_id = 'eebc3e8bb2a330bfef9f76822c1973273ff0d94a50e94ecb0baf037e92b29a33' 
  AND (
    token = 'M8bx4JgLoPhRPHoiw60eMgqL2ArNoFFjQMnAps8L7CA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )