UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unFxX6l3MwsC+BLb/Pi2GCmfEJ53P/nqjjOStxKVLFA=' 
WHERE 
  key_id = '2a689485701804122b132f7027941fbf480423a32a7b9d168087e66f586fa830' 
  AND (
    token = 'unFxX6l3MwsC+BLb/Pi2GCmfEJ53P/nqjjOStxKVLFA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )