UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajt72IMEPWNAdO0sySNxHMMoDusc7C4c4S5ZkOkCVYE=' 
WHERE 
  key_id = '8fd49308a002fc29bb5df670a94191ff47d1506cac4ce993556e7b39510f9b84' 
  AND (
    token = 'ajt72IMEPWNAdO0sySNxHMMoDusc7C4c4S5ZkOkCVYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )