UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4T4fcexEs1QBkz35TsOFZVG2n0tVr0h9aNeszN/hPw=' 
WHERE 
  key_id = 'f979f2e382635df3e683b13605df957d7dde978ec961e749e631a19112f37139' 
  AND (
    token = 'n4T4fcexEs1QBkz35TsOFZVG2n0tVr0h9aNeszN/hPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )