UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mHTx2aeInzN260yn84fxG0mbs4XlXUMpJNDW3oL6zFI=' 
WHERE 
  key_id = '9a1d7724e45c1c934e5a38266dc16ef688ac69d2c4f34cac27dcf17538899f46' 
  AND (
    token = 'mHTx2aeInzN260yn84fxG0mbs4XlXUMpJNDW3oL6zFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )