UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DMbxYhXDiOOd4t3/tBdKRp0w1uF7PWgf8LifVJXZAjk=' 
WHERE 
  key_id = '550cb6e2576c47724cd0baf325be1ddff202e78ca33867cf4080d7e43b519ee6' 
  AND (
    token = 'DMbxYhXDiOOd4t3/tBdKRp0w1uF7PWgf8LifVJXZAjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )