UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xyy5WrtEWkD2c0qavEZoEPPa7O0r0MjiTeFan1JSQeE=' 
WHERE 
  key_id = '6d1a353c36cdd29574c61f37758e16c975839b3be3e364488e26fabdf2d52e82' 
  AND (
    token = 'xyy5WrtEWkD2c0qavEZoEPPa7O0r0MjiTeFan1JSQeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )