UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UB2lP8QwiwCGrGTAOUBMgy+m0BjhQeLUnR7DWGX6g+M=' 
WHERE 
  key_id = '8014b806006bce1114e23fc72d445c90b413914c0b3c9edd1eb72b1b873ba7a1' 
  AND (
    token = 'UB2lP8QwiwCGrGTAOUBMgy+m0BjhQeLUnR7DWGX6g+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )