UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ao0GlljBRX1WnFdWzzbAKM2UfeI5FHNdWKmJgrzTXso=' 
WHERE 
  key_id = 'c7d89f2bbcde8840989f0e55f0945b811f1c2b8183d769355819b3730cf2e802' 
  AND (
    token = 'Ao0GlljBRX1WnFdWzzbAKM2UfeI5FHNdWKmJgrzTXso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )