UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UR8nN8Znk7yC3c/3U3zhuLYoMNP88tVU8iB12X8bAhg=' 
WHERE 
  key_id = 'c5c1823fa71e29f41f7a64bf4de9bc0f577dea0efaff5b54af1bf59914c935c0' 
  AND (
    token = 'UR8nN8Znk7yC3c/3U3zhuLYoMNP88tVU8iB12X8bAhg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )