UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PP2uukFGE3rLVW+ppGdiBYR4dfBC31fNtmgqWr60PUg=' 
WHERE 
  key_id = '428d1b303152f900a7621d1b746b552a82533511f72c1596d6956a970188170e' 
  AND (
    token = 'PP2uukFGE3rLVW+ppGdiBYR4dfBC31fNtmgqWr60PUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )