UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tvMO3sloFTmcxaNYQfxzwTidqqWgMxX3QXQwZue6PYA=' 
WHERE 
  key_id = '83ae5449ca7514754dff77d26168033711bc795b75387e95c9f737b6d4e18835' 
  AND (
    token = 'tvMO3sloFTmcxaNYQfxzwTidqqWgMxX3QXQwZue6PYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )