UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q4ZNhDThyg6ii5udVuvSt5inOYu90NhrxdzjSsZkfL0=' 
WHERE 
  key_id = '1c642e71ad4200a6243013ac658206ab5472479d55add2704b1f70683dabf116' 
  AND (
    token = 'Q4ZNhDThyg6ii5udVuvSt5inOYu90NhrxdzjSsZkfL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )