UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eEgNSpIV/WBhtZWH8VRi8/s1FU3mzuzMT3QNQueCEI8=' 
WHERE 
  key_id = '766ef8fe400a149e7c930fe820acf1c43083bd9e0818602889a64938a3df257c' 
  AND (
    token = 'eEgNSpIV/WBhtZWH8VRi8/s1FU3mzuzMT3QNQueCEI8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )