UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gZXh3aT7w7JRKnrRUWjWTF9sstzWf2IzJbB0i7ydU4A=' 
WHERE 
  key_id = '27845237b2fa61ee53edea7a244de9cbfbe12c402657b077fadc3c55b6f4c59b' 
  AND (
    token = 'gZXh3aT7w7JRKnrRUWjWTF9sstzWf2IzJbB0i7ydU4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )