UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TyKWEWy2P36k7KW10jF9S7/IKJhOlYFjfn2klR44+II=' 
WHERE 
  key_id = '93e4d6074d73e8e890c39fea828710a87f477189a7a0d796f61f145325a47b49' 
  AND (
    token = 'TyKWEWy2P36k7KW10jF9S7/IKJhOlYFjfn2klR44+II=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )