UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cKzkIediDGu5y13mMbXSLiveq0/MKSjGwAl/iOvLyqk=' 
WHERE 
  key_id = '796c5ac37234ce062bbae46ecbfc4a6132761e57f6e03e8cc92208229d2980d2' 
  AND (
    token = 'cKzkIediDGu5y13mMbXSLiveq0/MKSjGwAl/iOvLyqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )