UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Ek+X3gRufbFMaPW88GW6WDTknnFDcf+3B9lPrAhVQY8=' 
WHERE 
  key_id = '3ebaad8b23bdbe9580d9e5dbcac1342697add07986a0141d5834d9d15c17290c' 
  AND (
    token = 'Ek+X3gRufbFMaPW88GW6WDTknnFDcf+3B9lPrAhVQY8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )