UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mJ5DOaBRhbmD6LtBCslokI7KRTuGYu1UdU12HUrPmlw=' 
WHERE 
  key_id = '18dbd9ecda766908584263d6d617839edaceaa83675e5cf1fc58376ebdd86d4f' 
  AND (
    token = 'mJ5DOaBRhbmD6LtBCslokI7KRTuGYu1UdU12HUrPmlw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )