UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6CM/5VjBh5ojwXjPCD6S+ncqVz7UinDKTuyd+zi3sE=' 
WHERE 
  key_id = '375c67e58ba573eb421e204ee487d4046fee35737dc04817e00442ea8f981611' 
  AND (
    token = 'u6CM/5VjBh5ojwXjPCD6S+ncqVz7UinDKTuyd+zi3sE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )