UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'irwwkx3KcGqNOKvs0ZNKCVknjqnO0JVMpHx7+fx2nec=' 
WHERE 
  key_id = '18a47aabe65bd2dcad43d4f61442a0d36fd2cfea2c0de91994e5e4f0f0105a8c' 
  AND (
    token = 'irwwkx3KcGqNOKvs0ZNKCVknjqnO0JVMpHx7+fx2nec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )