UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K2/H7LBRomw+9uGKqXpsFUBJKH2OUNgdymn/hmuFvsw=' 
WHERE 
  key_id = '797aba8d371b9cf79c339596f42d52aac18bbddacc08959adc016af0e1079c56' 
  AND (
    token = 'K2/H7LBRomw+9uGKqXpsFUBJKH2OUNgdymn/hmuFvsw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )