UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8oTNy47wMO+OaAyQUHDrgBMNDDRF4lWlZ0iLfREmGY=' 
WHERE 
  key_id = '100b49b1b7b12fac4e45e68089f78bc39059c1221496aed708d10c1839917323' 
  AND (
    token = 'u8oTNy47wMO+OaAyQUHDrgBMNDDRF4lWlZ0iLfREmGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )