UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R1k2uc+6Yob8T4F+ymcMIhRpfX/bdMniHRewRpdV7cU=' 
WHERE 
  key_id = '28b4e388b9acd7c8c94ca528e6a5acc355a1154c55ed6765ede0e67a86ad4336' 
  AND (
    token = 'R1k2uc+6Yob8T4F+ymcMIhRpfX/bdMniHRewRpdV7cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )