UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4hbqUvcF2uw3xTSEwhRL7RuHWg9r1U2xomi1JX3Jy9U=' 
WHERE 
  key_id = 'fcff6da263df2c6a66b2cf92fc623f67e29726a12157f9cea8072d8021a8a1d9' 
  AND (
    token = '4hbqUvcF2uw3xTSEwhRL7RuHWg9r1U2xomi1JX3Jy9U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )