UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iac5092eCfW97qkFauYSiA1bbnhUnJihDWUhKY2UBWk=' 
WHERE 
  key_id = '4c51a77aec9e14175de1c5ded38825dd7e94ce4dbba5fe3d05883911a1b1617f' 
  AND (
    token = 'iac5092eCfW97qkFauYSiA1bbnhUnJihDWUhKY2UBWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )