UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMr5yC1aEeRpV+MMVWBJH3i2Rx1SzYQ0wu+JmW1x+Hk=' 
WHERE 
  key_id = '7f8c21d8f3c6f15463687ccc1c22b7d4c5c552e6349bab7270764d1e58242eb5' 
  AND (
    token = 'RMr5yC1aEeRpV+MMVWBJH3i2Rx1SzYQ0wu+JmW1x+Hk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )