UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SRoFJNwkJWvsHIjRhe47jRfRPMXhP6ce5XLnIT2X2Kw=' 
WHERE 
  key_id = '521121c2fefa79b1a1591881fb9b9249dccdd3a446c5ef205a47dce796459dac' 
  AND (
    token = 'SRoFJNwkJWvsHIjRhe47jRfRPMXhP6ce5XLnIT2X2Kw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )