UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kw2K5TZIWv58xu02eFT20HZJRtFDPqJk/tpiCIoB+pM=' 
WHERE 
  key_id = '2f87f73c01f6430b16fada0ba6d12b24839e17200f2d2885a13e355f02f14615' 
  AND (
    token = 'Kw2K5TZIWv58xu02eFT20HZJRtFDPqJk/tpiCIoB+pM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )